616232512 has 56 divisors (see below), whose sum is σ = 1411467840. Its totient is φ = 261465600.

The previous prime is 616232497. The next prime is 616232543. The reversal of 616232512 is 215232616.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 38439 + ... + 52057.

Almost surely, 2^616232512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616232512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705733920).

616232512 is an abundant number, since it is smaller than the sum of its proper divisors (795235328).

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

616232512 is a wasteful number, since it uses less digits than its factorization.

616232512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13739 (or 13729 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 616232512 is about 24824.0309377828. The cubic root of 616232512 is about 850.9712137397.

The spelling of 616232512 in words is "six hundred sixteen million, two hundred thirty-two thousand, five hundred twelve".