83901138656592 has 40 divisors (see below), whose sum is σ = 218979088705216. Its totient is φ = 27678726153216.

The previous prime is 83901138656557. The next prime is 83901138656593. The reversal of 83901138656592 is 29565683110938.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83901138656593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9009997348 + ... + 9010006659.

Almost surely, 2^{83901138656592} is an apocalyptic number.

It is an amenable number.

83901138656592 is an abundant number, since it is smaller than the sum of its proper divisors (135077950048624).

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

83901138656592 is a wasteful number, since it uses less digits than its factorization.

83901138656592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18020004115 (or 18020004109 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 66.

The spelling of 83901138656592 in words is "eighty-three trillion, nine hundred one billion, one hundred thirty-eight million, six hundred fifty-six thousand, five hundred ninety-two".