66383204 has 12 divisors (see below), whose sum is σ = 120176700. Its totient is φ = 32047008.

The previous prime is 66383197. The next prime is 66383237. The reversal of 66383204 is 40238366.

It can be written as a sum of positive squares in 2 ways, for example, as 24522304 + 41860900 = 4952^2 + 6470^2 .

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, 286019 + ... + 286250.

It is an arithmetic number, because the mean of its divisors is an integer number (10014725).

Almost surely, 2^66383204 is an apocalyptic number.

It is an amenable number.

66383204 is a deficient number, since it is larger than the sum of its proper divisors (53793496).

66383204 is a wasteful number, since it uses less digits than its factorization.

66383204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572302 (or 572300 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 66383204 is about 8147.5888457874. The cubic root of 66383204 is about 404.9046241906.

The spelling of 66383204 in words is "sixty-six million, three hundred eighty-three thousand, two hundred four".