616464331 has 24 divisors (see below), whose sum is σ = 740382944. Its totient is φ = 502761600.

The previous prime is 616464313. The next prime is 616464347. The reversal of 616464331 is 133464616.

It is not a de Polignac number, because 616464331 - 2⁷ = 616464203 is a prime.

It is a super-2 number, since 2×616464331² = 760056542790555122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (616464371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1025431 + ... + 1026031.

Almost surely, 2^616464331 is an apocalyptic number.

616464331 is a deficient number, since it is larger than the sum of its proper divisors (123918613).

616464331 is a wasteful number, since it uses less digits than its factorization.

616464331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 908 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 616464331 is about 24828.6997444490. The cubic root of 616464331 is about 851.0779086209.

The spelling of 616464331 in words is "six hundred sixteen million, four hundred sixty-four thousand, three hundred thirty-one".