66055675 has 18 divisors (see below), whose sum is σ = 95283708. Its totient is φ = 45294480.

The previous prime is 66055669. The next prime is 66055687. The reversal of 66055675 is 57655066.

It is not a de Polignac number, because 66055675 - 2³ = 66055667 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25737 + ... + 28186.

Almost surely, 2^66055675 is an apocalyptic number.

66055675 is a deficient number, since it is larger than the sum of its proper divisors (29228033).

66055675 is a wasteful number, since it uses less digits than its factorization.

66055675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53947 (or 53935 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 66055675 is about 8127.4642416931. The cubic root of 66055675 is about 404.2376044874.

The spelling of 66055675 in words is "sixty-six million, fifty-five thousand, six hundred seventy-five".