660572428973 has 8 divisors (see below), whose sum is σ = 676231011456. Its totient is φ = 644927320800.

The previous prime is 660572428969. The next prime is 660572429017. The reversal of 660572428973 is 379824275066.

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

It is a cyclic number.

It is not a de Polignac number, because 660572428973 - 2² = 660572428969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660572428273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3269333 + ... + 3465498.

It is an arithmetic number, because the mean of its divisors is an integer number (84528876432).

Almost surely, 2^660572428973 is an apocalyptic number.

It is an amenable number.

660572428973 is a deficient number, since it is larger than the sum of its proper divisors (15658582483).

660572428973 is a wasteful number, since it uses less digits than its factorization.

660572428973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6737155.

The product of its (nonzero) digits is 30481920, while the sum is 59.

The spelling of 660572428973 in words is "six hundred sixty billion, five hundred seventy-two million, four hundred twenty-eight thousand, nine hundred seventy-three".