36604566 has 12 divisors (see below), whose sum is σ = 79309932. Its totient is φ = 12201516.

The previous prime is 36604549. The next prime is 36604613. The reversal of 36604566 is 66540663.

36604566 is a `hidden beast` number, since 36 + 60 + 4 + 566 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 36604566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1016776 + ... + 1016811.

It is an arithmetic number, because the mean of its divisors is an integer number (6609161).

Almost surely, 2^36604566 is an apocalyptic number.

36604566 is an abundant number, since it is smaller than the sum of its proper divisors (42705366).

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

36604566 is a wasteful number, since it uses less digits than its factorization.

36604566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033595 (or 2033592 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 36604566 is about 6050.1707413923. The cubic root of 36604566 is about 332.0308373640.

The spelling of 36604566 in words is "thirty-six million, six hundred four thousand, five hundred sixty-six".