64964164 has 12 divisors (see below), whose sum is σ = 114027004. Its totient is φ = 32385024.

The previous prime is 64964161. The next prime is 64964171. The reversal of 64964164 is 46146946.

It can be written as a sum of positive squares in 2 ways, for example, as 33154564 + 31809600 = 5758^2 + 5640^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (64964161) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22749 + ... + 25444.

Almost surely, 2^64964164 is an apocalyptic number.

It is an amenable number.

64964164 is a deficient number, since it is larger than the sum of its proper divisors (49062840).

64964164 is a wasteful number, since it uses less digits than its factorization.

64964164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48534 (or 48532 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 64964164 is about 8060.0349875171. The cubic root of 64964164 is about 401.9986716457.

The spelling of 64964164 in words is "sixty-four million, nine hundred sixty-four thousand, one hundred sixty-four".