83664912 has 40 divisors (see below), whose sum is σ = 218130880. Its totient is φ = 27630720.

The previous prime is 83664907. The next prime is 83664929. The reversal of 83664912 is 21946638.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2764 + ... + 13227.

It is an arithmetic number, because the mean of its divisors is an integer number (5453272).

Almost surely, 2^83664912 is an apocalyptic number.

It is an amenable number.

83664912 is an abundant number, since it is smaller than the sum of its proper divisors (134465968).

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

83664912 is a wasteful number, since it uses less digits than its factorization.

83664912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16111 (or 16105 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 83664912 is about 9146.8525734266. The cubic root of 83664912 is about 437.3687869913.

The spelling of 83664912 in words is "eighty-three million, six hundred sixty-four thousand, nine hundred twelve".