64982664 has 48 divisors (see below), whose sum is σ = 179325900. Its totient is φ = 21250944.

The previous prime is 64982651. The next prime is 64982677. The reversal of 64982664 is 46628946.

It is an interprime number because it is at equal distance from previous prime (64982651) and next prime (64982677).

It can be written as a sum of positive squares in 2 ways, for example, as 60186564 + 4796100 = 7758^2 + 2190^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4699 + ... + 12330.

Almost surely, 2^64982664 is an apocalyptic number.

It is an amenable number.

64982664 is an abundant number, since it is smaller than the sum of its proper divisors (114343236).

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

64982664 is a wasteful number, since it uses less digits than its factorization.

64982664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17094 (or 17087 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 64982664 is about 8061.1825435230. The cubic root of 64982664 is about 402.0368273976.

The spelling of 64982664 in words is "sixty-four million, nine hundred eighty-two thousand, six hundred sixty-four".