66080572737576 has 32 divisors (see below), whose sum is σ = 165209096607840. Its totient is φ = 22025835610688.

The previous prime is 66080572737563. The next prime is 66080572737637. The reversal of 66080572737576 is 67573727508066.

It is a self number, because there is not a number n which added to its sum of digits gives 66080572737576.

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, 63344886 + ... + 64379621.

It is an arithmetic number, because the mean of its divisors is an integer number (5162784268995).

Almost surely, 2^{66080572737576} is an apocalyptic number.

It is an amenable number.

66080572737576 is an abundant number, since it is smaller than the sum of its proper divisors (99128523870264).

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

66080572737576 is a wasteful number, since it uses less digits than its factorization.

66080572737576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127746073 (or 127746069 counting only the distinct ones).

The product of its (nonzero) digits is 622339200, while the sum is 69.

The spelling of 66080572737576 in words is "sixty-six trillion, eighty billion, five hundred seventy-two million, seven hundred thirty-seven thousand, five hundred seventy-six".