660010064 has 20 divisors (see below), whose sum is σ = 1461451104. Its totient is φ = 282861408.

The previous prime is 660010037. The next prime is 660010067. The reversal of 660010064 is 460010066.

660010064 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 2×660010064² = 871226569162568192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660010067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2946362 + ... + 2946585.

Almost surely, 2^660010064 is an apocalyptic number.

It is an amenable number.

660010064 is an abundant number, since it is smaller than the sum of its proper divisors (801441040).

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

660010064 is a wasteful number, since it uses less digits than its factorization.

660010064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5892962 (or 5892956 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 660010064 is about 25690.6610269179. The cubic root of 660010064 is about 870.6631945039.

The spelling of 660010064 in words is "six hundred sixty million, ten thousand, sixty-four".