616537577937 has 16 divisors (see below), whose sum is σ = 823639265280. Its totient is φ = 410230630992.

The previous prime is 616537577879. The next prime is 616537578029. The reversal of 616537577937 is 739775735616.

It is not a de Polignac number, because 616537577937 - 2²² = 616533383633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616537577437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26610364 + ... + 26633522.

It is an arithmetic number, because the mean of its divisors is an integer number (51477454080).

Almost surely, 2^616537577937 is an apocalyptic number.

It is an amenable number.

616537577937 is a deficient number, since it is larger than the sum of its proper divisors (207101687343).

616537577937 is a wasteful number, since it uses less digits than its factorization.

616537577937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39932.

The product of its digits is 175032900, while the sum is 66.

The spelling of 616537577937 in words is "six hundred sixteen billion, five hundred thirty-seven million, five hundred seventy-seven thousand, nine hundred thirty-seven".