66662364 has 12 divisors (see below), whose sum is σ = 155545544. Its totient is φ = 22220784.

The previous prime is 66662353. The next prime is 66662371. The reversal of 66662364 is 46326666.

It is a tau number, because it is divible by the number of its divisors (12).

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

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, 2777587 + ... + 2777610.

Almost surely, 2^66662364 is an apocalyptic number.

It is an amenable number.

66662364 is an abundant number, since it is smaller than the sum of its proper divisors (88883180).

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

66662364 is a wasteful number, since it uses less digits than its factorization.

66662364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555204 (or 5555202 counting only the distinct ones).

The product of its digits is 186624, while the sum is 39.

The square root of 66662364 is about 8164.7023215792. The cubic root of 66662364 is about 405.4714096213.

The spelling of 66662364 in words is "sixty-six million, six hundred sixty-two thousand, three hundred sixty-four".