660066177 has 16 divisors (see below), whose sum is σ = 902749760. Its totient is φ = 428846400.

The previous prime is 660066161. The next prime is 660066179. The reversal of 660066177 is 771660066.

It is not a de Polignac number, because 660066177 - 2⁴ = 660066161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660066179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3402 + ... + 36492.

It is an arithmetic number, because the mean of its divisors is an integer number (56421860).

Almost surely, 2^660066177 is an apocalyptic number.

It is an amenable number.

660066177 is a deficient number, since it is larger than the sum of its proper divisors (242683583).

660066177 is a wasteful number, since it uses less digits than its factorization.

660066177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33264.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 660066177 is about 25691.7530931620. The cubic root of 660066177 is about 870.6878679354.

The spelling of 660066177 in words is "six hundred sixty million, sixty-six thousand, one hundred seventy-seven".