616165056 has 280 divisors, whose sum is σ = 2024018304. Its totient is φ = 184135680.

The previous prime is 616164973. The next prime is 616165061. The reversal of 616165056 is 650561616.

616165056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 616165056.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2762961 + ... + 2763183.

Almost surely, 2^616165056 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 616165056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1012009152).

616165056 is an abundant number, since it is smaller than the sum of its proper divisors (1407853248).

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

616165056 is a wasteful number, since it uses less digits than its factorization.

616165056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 616165056 is about 24822.6722171486. The cubic root of 616165056 is about 850.9401620356.

It can be divided in two parts, 6161 and 65056, that added together give a palindrome (71217).

The spelling of 616165056 in words is "six hundred sixteen million, one hundred sixty-five thousand, fifty-six".