616360465 has 12 divisors (see below), whose sum is σ = 860389236. Its totient is φ = 422647008.

The previous prime is 616360457. The next prime is 616360471. The reversal of 616360465 is 564063616.

It can be written as a sum of positive squares in 2 ways, for example, as 487129041 + 129231424 = 22071^2 + 11368^2 .

It is not a de Polignac number, because 616360465 - 2³ = 616360457 is a prime.

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, 1257634 + ... + 1258123.

It is an arithmetic number, because the mean of its divisors is an integer number (71699103).

Almost surely, 2^616360465 is an apocalyptic number.

It is an amenable number.

616360465 is a deficient number, since it is larger than the sum of its proper divisors (244028771).

616360465 is a wasteful number, since it uses less digits than its factorization.

616360465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515776 (or 2515769 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 616360465 is about 24826.6080043167. The cubic root of 616360465 is about 851.0301075188.

The spelling of 616360465 in words is "six hundred sixteen million, three hundred sixty thousand, four hundred sixty-five".