660572813073 has 8 divisors (see below), whose sum is σ = 884609881600. Its totient is φ = 438458809968.

The previous prime is 660572813057. The next prime is 660572813077. The reversal of 660572813073 is 370318275066.

660572813073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 660572813073 - 2⁴ = 660572813057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660572813077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480765553 + ... + 480766926.

It is an arithmetic number, because the mean of its divisors is an integer number (110576235200).

Almost surely, 2^660572813073 is an apocalyptic number.

It is an amenable number.

660572813073 is a deficient number, since it is larger than the sum of its proper divisors (224037068527).

660572813073 is a wasteful number, since it uses less digits than its factorization.

660572813073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961532711.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 660572813073 in words is "six hundred sixty billion, five hundred seventy-two million, eight hundred thirteen thousand, seventy-three".