66371064 has 16 divisors (see below), whose sum is σ = 165927720. Its totient is φ = 22123680.

The previous prime is 66371057. The next prime is 66371083. The reversal of 66371064 is 46017366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382707 + ... + 1382754.

Almost surely, 2^66371064 is an apocalyptic number.

It is an amenable number.

66371064 is an abundant number, since it is smaller than the sum of its proper divisors (99556656).

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

66371064 is a wasteful number, since it uses less digits than its factorization.

66371064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765470 (or 2765466 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 66371064 is about 8146.8438060392. The cubic root of 66371064 is about 404.8799400259.

The spelling of 66371064 in words is "sixty-six million, three hundred seventy-one thousand, sixty-four".