616430923992 has 48 divisors (see below), whose sum is σ = 1797923531040. Its totient is φ = 189671053248.

The previous prime is 616430923961. The next prime is 616430924071. The reversal of 616430923992 is 299329034616.

616430923992 is a `hidden beast` number, since 6 + 1 + 6 + 430 + 92 + 39 + 92 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329289088 + ... + 329290959.

It is an arithmetic number, because the mean of its divisors is an integer number (37456740230).

Almost surely, 2^616430923992 is an apocalyptic number.

It is an amenable number.

616430923992 is an abundant number, since it is smaller than the sum of its proper divisors (1181492607048).

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

616430923992 is a wasteful number, since it uses less digits than its factorization.

616430923992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658580072 (or 658580065 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The spelling of 616430923992 in words is "six hundred sixteen billion, four hundred thirty million, nine hundred twenty-three thousand, nine hundred ninety-two".