64512416 has 24 divisors (see below), whose sum is σ = 134481060. Its totient is φ = 30358528.

The previous prime is 64512379. The next prime is 64512421. The reversal of 64512416 is 61421546.

It can be written as a sum of positive squares in 2 ways, for example, as 60902416 + 3610000 = 7804^2 + 1900^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58751 + ... + 59838.

Almost surely, 2^64512416 is an apocalyptic number.

It is an amenable number.

64512416 is an abundant number, since it is smaller than the sum of its proper divisors (69968644).

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

64512416 is a wasteful number, since it uses less digits than its factorization.

64512416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118616 (or 118608 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 64512416 is about 8031.9621513052. The cubic root of 64512416 is about 401.0646968704.

The spelling of 64512416 in words is "sixty-four million, five hundred twelve thousand, four hundred sixteen".