16968825 has 48 divisors (see below), whose sum is σ = 32557440. Its totient is φ = 8648640.

The previous prime is 16968821. The next prime is 16968827. The reversal of 16968825 is 52886961.

It is not a de Polignac number, because 16968825 - 2² = 16968821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (16968821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14979 + ... + 16071.

It is an arithmetic number, because the mean of its divisors is an integer number (678280).

Almost surely, 2^16968825 is an apocalyptic number.

16968825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16968825 is a deficient number, since it is larger than the sum of its proper divisors (15588615).

16968825 is a wasteful number, since it uses less digits than its factorization.

16968825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135 (or 1124 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 16968825 is about 4119.3233667679. The cubic root of 16968825 is about 256.9708870008.

The spelling of 16968825 in words is "sixteen million, nine hundred sixty-eight thousand, eight hundred twenty-five".