16925945 has 8 divisors (see below), whose sum is σ = 20414400. Its totient is φ = 13471920.

The previous prime is 16925933. The next prime is 16925959. The reversal of 16925945 is 54952961.

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

It is not a de Polignac number, because 16925945 - 2⁴ = 16925929 is a prime.

It is a super-2 number, since 2×16925945² = 572975228286050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7511 + ... + 9500.

It is an arithmetic number, because the mean of its divisors is an integer number (2551800).

Almost surely, 2^16925945 is an apocalyptic number.

It is an amenable number.

16925945 is a deficient number, since it is larger than the sum of its proper divisors (3488455).

16925945 is a wasteful number, since it uses less digits than its factorization.

16925945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17215.

The product of its digits is 97200, while the sum is 41.

The square root of 16925945 is about 4114.1153362540. The cubic root of 16925945 is about 256.7542503895.

The spelling of 16925945 in words is "sixteen million, nine hundred twenty-five thousand, nine hundred forty-five".