66183073548804 has 45 divisors (see below), whose sum is σ = 173016010268101. Its totient is φ = 22060975704480.

The previous prime is 66183073548799. The next prime is 66183073548821. The reversal of 66183073548804 is 40884537038166.

The square root of 66183073548804 is 8135298.

It is a perfect power (a square), and thus also a powerful number.

66183073548804 is a `hidden beast` number, since 6 + 6 + 1 + 8 + 3 + 0 + 7 + 3 + 548 + 80 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6342328486404 + 59840745062400 = 2518398^2 + 7735680^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 146209384 + ... + 146661344.

Almost surely, 2^{66183073548804} is an apocalyptic number.

66183073548804 is the 8135298-th square number.

It is an amenable number.

66183073548804 is an abundant number, since it is smaller than the sum of its proper divisors (106832936719297).

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

66183073548804 is an frugal number, since it uses more digits than its factorization.

66183073548804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903938 (or 451966 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 63.

The spelling of 66183073548804 in words is "sixty-six trillion, one hundred eighty-three billion, seventy-three million, five hundred forty-eight thousand, eight hundred four".