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168106718 = 21319340297
BaseRepresentation
bin10100000010100…
…01101011011110
3102201022201001202
422001101223132
5321013403333
624403035502
74110612023
oct1201215336
9381281052
10168106718
118698a07a
124836bb92
1328a9b640
141847d54a
15eb595e8
hexa051ade

168106718 has 16 divisors (see below), whose sum is σ = 285850320. Its totient is φ = 73503936.

The previous prime is 168106691. The next prime is 168106751. The reversal of 168106718 is 817601861.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169655 + ... + 170642.

It is an arithmetic number, because the mean of its divisors is an integer number (17865645).

Almost surely, 2168106718 is an apocalyptic number.

168106718 is a deficient number, since it is larger than the sum of its proper divisors (117743602).

168106718 is a wasteful number, since it uses less digits than its factorization.

168106718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340331.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 168106718 is about 12965.5974794839. The cubic root of 168106718 is about 551.9016466055.

The spelling of 168106718 in words is "one hundred sixty-eight million, one hundred six thousand, seven hundred eighteen".

Divisors: 1 2 13 19 26 38 247 494 340297 680594 4423861 6465643 8847722 12931286 84053359 168106718