64313616 has 40 divisors (see below), whose sum is σ = 167003200. Its totient is φ = 21326976.

The previous prime is 64313609. The next prime is 64313621. The reversal of 64313616 is 61631346.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6186 + ... + 12918.

It is an arithmetic number, because the mean of its divisors is an integer number (4175080).

Almost surely, 2^64313616 is an apocalyptic number.

It is an amenable number.

64313616 is an abundant number, since it is smaller than the sum of its proper divisors (102689584).

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

64313616 is a wasteful number, since it uses less digits than its factorization.

64313616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6943 (or 6937 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 64313616 is about 8019.5770462039. The cubic root of 64313616 is about 400.6523023426.

The spelling of 64313616 in words is "sixty-four million, three hundred thirteen thousand, six hundred sixteen".