16908139365 has 16 divisors (see below), whose sum is σ = 29134025088. Its totient is φ = 8324006976.

The previous prime is 16908139337. The next prime is 16908139373. The reversal of 16908139365 is 56393180961.

It is not a de Polignac number, because 16908139365 - 2⁶ = 16908139301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43354009 + ... + 43354398.

It is an arithmetic number, because the mean of its divisors is an integer number (1820876568).

Almost surely, 2^16908139365 is an apocalyptic number.

16908139365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16908139365 is a deficient number, since it is larger than the sum of its proper divisors (12225885723).

16908139365 is a wasteful number, since it uses less digits than its factorization.

16908139365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86708428.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 16908139365 in words is "sixteen billion, nine hundred eight million, one hundred thirty-nine thousand, three hundred sixty-five".