66079804576 has 48 divisors (see below), whose sum is σ = 137797982784. Its totient is φ = 31084923904.

The previous prime is 66079804561. The next prime is 66079804589. The reversal of 66079804576 is 67540897066.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 66079804576.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1558311 + ... + 1600153.

It is an arithmetic number, because the mean of its divisors is an integer number (2870791308).

Almost surely, 2^66079804576 is an apocalyptic number.

It is an amenable number.

66079804576 is an abundant number, since it is smaller than the sum of its proper divisors (71718178208).

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

66079804576 is a wasteful number, since it uses less digits than its factorization.

66079804576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44773 (or 44765 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 66079804576 in words is "sixty-six billion, seventy-nine million, eight hundred four thousand, five hundred seventy-six".