83616861936 has 40 divisors (see below), whose sum is σ = 217659176064. Its totient is φ = 27659519680.

The previous prime is 83616861917. The next prime is 83616861947. The reversal of 83616861936 is 63916861638.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 6642636 + ... + 6655211.

Almost surely, 2^83616861936 is an apocalyptic number.

It is an amenable number.

83616861936 is an abundant number, since it is smaller than the sum of its proper divisors (134042314128).

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

83616861936 is a wasteful number, since it uses less digits than its factorization.

83616861936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13297989 (or 13297983 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 57.

The spelling of 83616861936 in words is "eighty-three billion, six hundred sixteen million, eight hundred sixty-one thousand, nine hundred thirty-six".