616501056 has 112 divisors (see below), whose sum is σ = 1818192960. Its totient is φ = 183214080.

The previous prime is 616501049. The next prime is 616501063. The reversal of 616501056 is 650105616.

It is an interprime number because it is at equal distance from previous prime (616501049) and next prime (616501063).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

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, 57046 + ... + 66986.

Almost surely, 2^616501056 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 616501056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (909096480).

616501056 is an abundant number, since it is smaller than the sum of its proper divisors (1201691904).

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

616501056 is a wasteful number, since it uses less digits than its factorization.

616501056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9992 (or 9982 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 616501056 is about 24829.4393009589. The cubic root of 616501056 is about 851.0948088772.

The spelling of 616501056 in words is "six hundred sixteen million, five hundred one thousand, fifty-six".