66368924 has 12 divisors (see below), whose sum is σ = 116886504. Its totient is φ = 32972784.

The previous prime is 66368837. The next prime is 66368947. The reversal of 66368924 is 42986366.

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, 52214 + ... + 53469.

It is an arithmetic number, because the mean of its divisors is an integer number (9740542).

Almost surely, 2^66368924 is an apocalyptic number.

It is an amenable number.

66368924 is a deficient number, since it is larger than the sum of its proper divisors (50517580).

66368924 is a wasteful number, since it uses less digits than its factorization.

66368924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105844 (or 105842 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The square root of 66368924 is about 8146.7124657742. The cubic root of 66368924 is about 404.8755884690.

The spelling of 66368924 in words is "sixty-six million, three hundred sixty-eight thousand, nine hundred twenty-four".