16776925 has 12 divisors (see below), whose sum is σ = 22694976. Its totient is φ = 12201200.

The previous prime is 16776919. The next prime is 16776931. The reversal of 16776925 is 52967761.

It is an interprime number because it is at equal distance from previous prime (16776919) and next prime (16776931).

It is not a de Polignac number, because 16776925 - 2¹⁹ = 16252637 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30229 + ... + 30778.

It is an arithmetic number, because the mean of its divisors is an integer number (1891248).

Almost surely, 2^16776925 is an apocalyptic number.

It is an amenable number.

16776925 is a deficient number, since it is larger than the sum of its proper divisors (5918051).

16776925 is a wasteful number, since it uses less digits than its factorization.

16776925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61028 (or 61023 counting only the distinct ones).

The product of its digits is 158760, while the sum is 43.

The square root of 16776925 is about 4095.9644773850. The cubic root of 16776925 is about 255.9985198889.

The spelling of 16776925 in words is "sixteen million, seven hundred seventy-six thousand, nine hundred twenty-five".