64456064 has 16 divisors (see below), whose sum is σ = 128408820. Its totient is φ = 32227968.

The previous prime is 64456043. The next prime is 64456103. The reversal of 64456064 is 46065446.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251654 + ... + 251909.

Almost surely, 2^64456064 is an apocalyptic number.

64456064 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64456064 is a deficient number, since it is larger than the sum of its proper divisors (63952756).

64456064 is an equidigital number, since it uses as much as digits as its factorization.

64456064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503577 (or 503565 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 64456064 is about 8028.4534002509. The cubic root of 64456064 is about 400.9478853425.

The spelling of 64456064 in words is "sixty-four million, four hundred fifty-six thousand, sixty-four".