66079568 has 20 divisors (see below), whose sum is σ = 134768160. Its totient is φ = 31300704.

The previous prime is 66079543. The next prime is 66079579. The reversal of 66079568 is 86597066.

It is a congruent number.

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, 108380 + ... + 108987.

It is an arithmetic number, because the mean of its divisors is an integer number (6738408).

Almost surely, 2^66079568 is an apocalyptic number.

It is an amenable number.

66079568 is an abundant number, since it is smaller than the sum of its proper divisors (68688592).

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

66079568 is a wasteful number, since it uses less digits than its factorization.

66079568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217394 (or 217388 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 66079568 is about 8128.9340014543. The cubic root of 66079568 is about 404.2863375438.

The spelling of 66079568 in words is "sixty-six million, seventy-nine thousand, five hundred sixty-eight".