64465116 has 24 divisors (see below), whose sum is σ = 150650640. Its totient is φ = 21455232.

The previous prime is 64465099. The next prime is 64465117. The reversal of 64465116 is 61156446.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64465117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4720 + ... + 12296.

It is an arithmetic number, because the mean of its divisors is an integer number (6277110).

Almost surely, 2^64465116 is an apocalyptic number.

It is an amenable number.

64465116 is an abundant number, since it is smaller than the sum of its proper divisors (86185524).

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

64465116 is a wasteful number, since it uses less digits than its factorization.

64465116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8293 (or 8291 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 64465116 is about 8029.0171254021. The cubic root of 64465116 is about 400.9666537363.

The spelling of 64465116 in words is "sixty-four million, four hundred sixty-five thousand, one hundred sixteen".