16925105 has 16 divisors (see below), whose sum is σ = 21529920. Its totient is φ = 12737088.

The previous prime is 16925093. The next prime is 16925113. The reversal of 16925105 is 50152961.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16925105 is a prime.

It is a super-2 number, since 2×16925105² = 572918358522050, which contains 22 as substring.

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, 14939 + ... + 16031.

It is an arithmetic number, because the mean of its divisors is an integer number (1345620).

Almost surely, 2^16925105 is an apocalyptic number.

It is an amenable number.

16925105 is a deficient number, since it is larger than the sum of its proper divisors (4604815).

16925105 is a wasteful number, since it uses less digits than its factorization.

16925105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 16925105 is about 4114.0132474264. The cubic root of 16925105 is about 256.7500029233.

The spelling of 16925105 in words is "sixteen million, nine hundred twenty-five thousand, one hundred five".