16996625 has 16 divisors (see below), whose sum is σ = 21340800. Its totient is φ = 13514800.

The previous prime is 16996601. The next prime is 16996633. The reversal of 16996625 is 52669961.

It is not a de Polignac number, because 16996625 - 2⁶ = 16996561 is a prime.

It is a super-2 number, since 2×16996625² = 577770522781250, which contains 22 as substring.

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, 28076 + ... + 28674.

It is an arithmetic number, because the mean of its divisors is an integer number (1333800).

Almost surely, 2^16996625 is an apocalyptic number.

It is an amenable number.

16996625 is a deficient number, since it is larger than the sum of its proper divisors (4344175).

16996625 is an equidigital number, since it uses as much as digits as its factorization.

16996625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 831 counting only the distinct ones).

The product of its digits is 174960, while the sum is 44.

The square root of 16996625 is about 4122.6963264349. The cubic root of 16996625 is about 257.1111421056. Note that the first 4 decimals are identical.

The spelling of 16996625 in words is "sixteen million, nine hundred ninety-six thousand, six hundred twenty-five".