66913182 has 32 divisors (see below), whose sum is σ = 169939200. Its totient is φ = 19117944.

The previous prime is 66913163. The next prime is 66913183. The reversal of 66913182 is 28131966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66913183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88132 + ... + 88887.

It is an arithmetic number, because the mean of its divisors is an integer number (5310600).

Almost surely, 2^66913182 is an apocalyptic number.

66913182 is an abundant number, since it is smaller than the sum of its proper divisors (103026018).

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

66913182 is a wasteful number, since it uses less digits than its factorization.

66913182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177037 (or 177031 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 66913182 is about 8180.0477993713. The cubic root of 66913182 is about 405.9793036276.

The spelling of 66913182 in words is "sixty-six million, nine hundred thirteen thousand, one hundred eighty-two".