64895656 has 32 divisors (see below), whose sum is σ = 140832000. Its totient is φ = 27458496.

The previous prime is 64895653. The next prime is 64895687. The reversal of 64895656 is 65659846.

It is a happy number.

It is a super-2 number, since 2×64895656² = 8422892335340672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64895653) 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, 2911 + ... + 11758.

It is an arithmetic number, because the mean of its divisors is an integer number (4401000).

Almost surely, 2^64895656 is an apocalyptic number.

It is an amenable number.

64895656 is an abundant number, since it is smaller than the sum of its proper divisors (75936344).

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

64895656 is a wasteful number, since it uses less digits than its factorization.

64895656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14761 (or 14757 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 49.

The square root of 64895656 is about 8055.7840090211. The cubic root of 64895656 is about 401.8573126266.

The spelling of 64895656 in words is "sixty-four million, eight hundred ninety-five thousand, six hundred fifty-six".