63918912 has 56 divisors (see below), whose sum is σ = 179076096. Its totient is φ = 20051968.

The previous prime is 63918893. The next prime is 63918913. The reversal of 63918912 is 21981936.

63918912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63918912² = 8171254622527488, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63918913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6528 + ... + 13055.

Almost surely, 2^63918912 is an apocalyptic number.

63918912 is the 6528-th pentagonal number.

It is an amenable number.

63918912 is an abundant number, since it is smaller than the sum of its proper divisors (115157184).

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

63918912 is a wasteful number, since it uses less digits than its factorization.

63918912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19615 (or 19605 counting only the distinct ones).

The product of its digits is 23328, while the sum is 39.

The square root of 63918912 is about 7994.9303936932. The cubic root of 63918912 is about 399.8309952702.

The spelling of 63918912 in words is "sixty-three million, nine hundred eighteen thousand, nine hundred twelve".