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16672635127664 = 245947317521223
BaseRepresentation
bin1111001010011110011001…
…1111101000011101110000
32012000212222121102122200022
43302213212133220131300
54141131024043041124
655243145225143012
73340362304200215
oct362474637503560
965025877378608
1016672635127664
11534890896949a
121a5332792aa68
1393c2b84b1ca9
14418d61b61b0c
151dda60877c5e
hexf29e67e8770

16672635127664 has 20 divisors (see below), whose sum is σ = 32303775561456. Its totient is φ = 8336176918272.

The previous prime is 16672635127609. The next prime is 16672635127667. The reversal of 16672635127664 is 46672153627661.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16672635127597 and 16672635127606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16672635127667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7809044 + ... + 9712179.

Almost surely, 216672635127664 is an apocalyptic number.

It is an amenable number.

16672635127664 is a deficient number, since it is larger than the sum of its proper divisors (15631140433792).

16672635127664 is a wasteful number, since it uses less digits than its factorization.

16672635127664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17580704 (or 17580698 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 62.

The spelling of 16672635127664 in words is "sixteen trillion, six hundred seventy-two billion, six hundred thirty-five million, one hundred twenty-seven thousand, six hundred sixty-four".

Divisors: 1 2 4 8 16 59473 118946 237892 475784 951568 17521223 35042446 70084892 140169784 280339568 1042039695479 2084079390958 4168158781916 8336317563832 16672635127664