18625968 has 30 divisors (see below), whose sum is σ = 52127244. Its totient is φ = 6208608.

The previous prime is 18625967. The next prime is 18625979. The reversal of 18625968 is 86952681.

18625968 is a `hidden beast` number, since 18 + 625 + 9 + 6 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (18625961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64530 + ... + 64817.

Almost surely, 2^18625968 is an apocalyptic number.

18625968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18625968 is an abundant number, since it is smaller than the sum of its proper divisors (33501276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18625968 is a wasteful number, since it uses less digits than its factorization.

18625968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129361 (or 129352 counting only the distinct ones).

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

The square root of 18625968 is about 4315.7812734197. The cubic root of 18625968 is about 265.0775517654.

It can be divided in two parts, 1 and 8625968, that added together give a square (8625969 = 2937²).

The spelling of 18625968 in words is "eighteen million, six hundred twenty-five thousand, nine hundred sixty-eight".