64464416 has 48 divisors (see below), whose sum is σ = 134467200. Its totient is φ = 30336768.

The previous prime is 64464409. The next prime is 64464431. The reversal of 64464416 is 61446446.

64464416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139001 + ... + 139463.

It is an arithmetic number, because the mean of its divisors is an integer number (2801400).

Almost surely, 2^64464416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64464416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67233600).

64464416 is an abundant number, since it is smaller than the sum of its proper divisors (70002784).

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

64464416 is a wasteful number, since it uses less digits than its factorization.

64464416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721 (or 713 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The square root of 64464416 is about 8028.9735333977. The cubic root of 64464416 is about 400.9652024207.

The spelling of 64464416 in words is "sixty-four million, four hundred sixty-four thousand, four hundred sixteen".