64066512 has 20 divisors (see below), whose sum is σ = 165505280. Its totient is φ = 21355488.

The previous prime is 64066487. The next prime is 64066549. The reversal of 64066512 is 21566046.

64066512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64066512² = 8209035919692288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64066512.

It is a congruent number.

It is an unprimeable number.

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, 667312 + ... + 667407.

It is an arithmetic number, because the mean of its divisors is an integer number (8275264).

Almost surely, 2^64066512 is an apocalyptic number.

It is an amenable number.

64066512 is an abundant number, since it is smaller than the sum of its proper divisors (101438768).

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

64066512 is a wasteful number, since it uses less digits than its factorization.

64066512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334730 (or 1334724 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 64066512 is about 8004.1559205203. The cubic root of 64066512 is about 400.1385186926.

The spelling of 64066512 in words is "sixty-four million, sixty-six thousand, five hundred twelve".