616730368 has 36 divisors (see below), whose sum is σ = 1270779328. Its totient is φ = 298414080.

The previous prime is 616730339. The next prime is 616730407. The reversal of 616730368 is 863037616.

It is a self number, because there is not a number n which added to its sum of digits gives 616730368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30921 + ... + 46792.

Almost surely, 2^616730368 is an apocalyptic number.

It is an amenable number.

616730368 is an abundant number, since it is smaller than the sum of its proper divisors (654048960).

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

616730368 is an equidigital number, since it uses as much as digits as its factorization.

616730368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77760 (or 77746 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 616730368 is about 24834.0566158652. The cubic root of 616730368 is about 851.2003194074.

The spelling of 616730368 in words is "six hundred sixteen million, seven hundred thirty thousand, three hundred sixty-eight".