66170068 has 12 divisors (see below), whose sum is σ = 115866772. Its totient is φ = 33065280.

The previous prime is 66170059. The next prime is 66170081. The reversal of 66170068 is 86007166.

It can be written as a sum of positive squares in 2 ways, for example, as 7463824 + 58706244 = 2732^2 + 7662^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 4678 + ... + 12418.

Almost surely, 2^66170068 is an apocalyptic number.

It is an amenable number.

66170068 is a deficient number, since it is larger than the sum of its proper divisors (49696704).

66170068 is a wasteful number, since it uses less digits than its factorization.

66170068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9882 (or 9880 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 66170068 is about 8134.4986323682. The cubic root of 66170068 is about 404.4708182853.

The spelling of 66170068 in words is "sixty-six million, one hundred seventy thousand, sixty-eight".