66165062205652 has 12 divisors (see below), whose sum is σ = 115789466272480. Its totient is φ = 33082357556376.

The previous prime is 66165062205601. The next prime is 66165062205707. The reversal of 66165062205652 is 25650226056166.

It is a self number, because there is not a number n which added to its sum of digits gives 66165062205652.

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, 42526902 + ... + 44055277.

Almost surely, 2^{66165062205652} is an apocalyptic number.

It is an amenable number.

66165062205652 is a deficient number, since it is larger than the sum of its proper divisors (49624404066828).

66165062205652 is a wasteful number, since it uses less digits than its factorization.

66165062205652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86773230 (or 86773228 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 52.

The spelling of 66165062205652 in words is "sixty-six trillion, one hundred sixty-five billion, sixty-two million, two hundred five thousand, six hundred fifty-two".