64346656 has 24 divisors (see below), whose sum is σ = 138199824. Its totient is φ = 29248320.

The previous prime is 64346651. The next prime is 64346657. The reversal of 64346656 is 65664346.

64346656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64346651) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 91050 + ... + 91753.

It is an arithmetic number, because the mean of its divisors is an integer number (5758326).

Almost surely, 2^64346656 is an apocalyptic number.

It is an amenable number.

64346656 is an abundant number, since it is smaller than the sum of its proper divisors (73853168).

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

64346656 is a wasteful number, since it uses less digits than its factorization.

64346656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182824 (or 182816 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

The square root of 64346656 is about 8021.6367407157. The cubic root of 64346656 is about 400.7208999775.

The spelling of 64346656 in words is "sixty-four million, three hundred forty-six thousand, six hundred fifty-six".