66108675 has 12 divisors (see below), whose sum is σ = 109299800. Its totient is φ = 35257920.

The previous prime is 66108643. The next prime is 66108683. The reversal of 66108675 is 57680166.

It is not a de Polignac number, because 66108675 - 2⁵ = 66108643 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 440650 + ... + 440799.

Almost surely, 2^66108675 is an apocalyptic number.

66108675 is a deficient number, since it is larger than the sum of its proper divisors (43191125).

66108675 is a wasteful number, since it uses less digits than its factorization.

66108675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881462 (or 881457 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 66108675 is about 8130.7241374923. The cubic root of 66108675 is about 404.3456893999.

The spelling of 66108675 in words is "sixty-six million, one hundred eight thousand, six hundred seventy-five".