66031068 has 24 divisors (see below), whose sum is σ = 160771968. Its totient is φ = 21053296.

The previous prime is 66031039. The next prime is 66031079. The reversal of 66031068 is 86013066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119346 + ... + 119897.

It is an arithmetic number, because the mean of its divisors is an integer number (6698832).

Almost surely, 2^66031068 is an apocalyptic number.

It is an amenable number.

66031068 is an abundant number, since it is smaller than the sum of its proper divisors (94740900).

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

66031068 is a wasteful number, since it uses less digits than its factorization.

66031068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239273 (or 239271 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 66031068 is about 8125.9502828900. The cubic root of 66031068 is about 404.1874028449.

The spelling of 66031068 in words is "sixty-six million, thirty-one thousand, sixty-eight".