64616956 has 12 divisors (see below), whose sum is σ = 113390368. Its totient is φ = 32219712.

The previous prime is 64616953. The next prime is 64616957. The reversal of 64616956 is 65961646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64616953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20541 + ... + 23476.

Almost surely, 2^64616956 is an apocalyptic number.

It is an amenable number.

64616956 is a deficient number, since it is larger than the sum of its proper divisors (48773412).

64616956 is a wasteful number, since it uses less digits than its factorization.

64616956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44388 (or 44386 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 64616956 is about 8038.4672668364. The cubic root of 64616956 is about 401.2812168271.

The spelling of 64616956 in words is "sixty-four million, six hundred sixteen thousand, nine hundred fifty-six".