66710168 has 24 divisors (see below), whose sum is σ = 145503900. Its totient is φ = 28589904.

The previous prime is 66710167. The next prime is 66710183. The reversal of 66710168 is 86101766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66710167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84698 + ... + 85481.

Almost surely, 2^66710168 is an apocalyptic number.

It is an amenable number.

66710168 is an abundant number, since it is smaller than the sum of its proper divisors (78793732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66710168 is a wasteful number, since it uses less digits than its factorization.

66710168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170199 (or 170188 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 66710168 is about 8167.6292766016. The cubic root of 66710168 is about 405.5683084944.

The spelling of 66710168 in words is "sixty-six million, seven hundred ten thousand, one hundred sixty-eight".