66068512 has 24 divisors (see below), whose sum is σ = 135729216. Its totient is φ = 31597632.

The previous prime is 66068479. The next prime is 66068521. The reversal of 66068512 is 21586066.

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, 44148 + ... + 45619.

It is an arithmetic number, because the mean of its divisors is an integer number (5655384).

Almost surely, 2^66068512 is an apocalyptic number.

It is an amenable number.

66068512 is an abundant number, since it is smaller than the sum of its proper divisors (69660704).

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

66068512 is a wasteful number, since it uses less digits than its factorization.

66068512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89800 (or 89792 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 66068512 is about 8128.2539330412. The cubic root of 66068512 is about 404.2637887732.

The spelling of 66068512 in words is "sixty-six million, sixty-eight thousand, five hundred twelve".