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16684167144959 = 191619542380519
BaseRepresentation
bin1111001011001001010111…
…0110110010010111111111
32012001222202021221211102222
43302302111312302113333
54141323133242114314
655252333420235555
73341251133546666
oct362622566622777
965058667854388
1016684167144959
1153527964417a6
121a5560599bbbb
139404056c1972
1441973755dddd
151dded7ea6c8e
hexf2c95db25ff

16684167144959 has 8 divisors (see below), whose sum is σ = 17573128848000. Its totient is φ = 15796290206232.

The previous prime is 16684167144949. The next prime is 16684167144979. The reversal of 16684167144959 is 95944176148661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16684167144959 - 28 = 16684167144703 is a prime.

It is a super-2 number, since 2×166841671449592 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16684167144892 and 16684167144901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16684167144919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271159499 + ... + 271221020.

It is an arithmetic number, because the mean of its divisors is an integer number (2196641106000).

Almost surely, 216684167144959 is an apocalyptic number.

16684167144959 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16684167144959 is a deficient number, since it is larger than the sum of its proper divisors (888961703041).

16684167144959 is a wasteful number, since it uses less digits than its factorization.

16684167144959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542382157.

The product of its digits is 313528320, while the sum is 71.

The spelling of 16684167144959 in words is "sixteen trillion, six hundred eighty-four billion, one hundred sixty-seven million, one hundred forty-four thousand, nine hundred fifty-nine".

Divisors: 1 19 1619 30761 542380519 10305229861 878114060261 16684167144959