66004264 has 16 divisors (see below), whose sum is σ = 125454420. Its totient is φ = 32549760.

The previous prime is 66004249. The next prime is 66004283. The reversal of 66004264 is 46240066.

It can be written as a sum of positive squares in 2 ways, for example, as 64160100 + 1844164 = 8010^2 + 1358^2 .

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, 55927 + ... + 57094.

Almost surely, 2^66004264 is an apocalyptic number.

It is an amenable number.

66004264 is a deficient number, since it is larger than the sum of its proper divisors (59450156).

66004264 is a wasteful number, since it uses less digits than its factorization.

66004264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113100 (or 113096 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 66004264 is about 8124.3008314562. The cubic root of 66004264 is about 404.1327048281.

The spelling of 66004264 in words is "sixty-six million, four thousand, two hundred sixty-four".