66080960 has 56 divisors (see below), whose sum is σ = 171669456. Its totient is φ = 24028160.

The previous prime is 66080957. The next prime is 66081007. The reversal of 66080960 is 6908066.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 66080960.

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, 5867 + ... + 12906.

It is an arithmetic number, because the mean of its divisors is an integer number (3065526).

Almost surely, 2^66080960 is an apocalyptic number.

It is an amenable number.

66080960 is an abundant number, since it is smaller than the sum of its proper divisors (105588496).

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

66080960 is a wasteful number, since it uses less digits than its factorization.

66080960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18801 (or 18791 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 66080960 is about 8129.0196210859. The cubic root of 66080960 is about 404.2891763569.

The spelling of 66080960 in words is "sixty-six million, eighty thousand, nine hundred sixty".