83660203272 has 64 divisors (see below), whose sum is σ = 209986418880. Its totient is φ = 27775395072.

The previous prime is 83660203261. The next prime is 83660203301. The reversal of 83660203272 is 27230206638.

It is a super-2 number, since 2×83660203272² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83660203272.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22409118 + ... + 22412850.

It is an arithmetic number, because the mean of its divisors is an integer number (3281037795).

Almost surely, 2^83660203272 is an apocalyptic number.

It is an amenable number.

83660203272 is an abundant number, since it is smaller than the sum of its proper divisors (126326215608).

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

83660203272 is a wasteful number, since it uses less digits than its factorization.

83660203272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7222 (or 7218 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 83660203272 in words is "eighty-three billion, six hundred sixty million, two hundred three thousand, two hundred seventy-two".