16903404925 has 24 divisors (see below), whose sum is σ = 22931344800. Its totient is φ = 12258091200.

The previous prime is 16903404913. The next prime is 16903404943. The reversal of 16903404925 is 52940430961.

It is not a de Polignac number, because 16903404925 - 2⁷ = 16903404797 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7914 + ... + 184036.

It is an arithmetic number, because the mean of its divisors is an integer number (955472700).

Almost surely, 2^16903404925 is an apocalyptic number.

It is an amenable number.

16903404925 is a deficient number, since it is larger than the sum of its proper divisors (6027939875).

16903404925 is a wasteful number, since it uses less digits than its factorization.

16903404925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176493 (or 176488 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 16903404925 in words is "sixteen billion, nine hundred three million, four hundred four thousand, nine hundred twenty-five".