660051606104 has 96 divisors (see below), whose sum is σ = 1428092078400. Its totient is φ = 282853771200.

The previous prime is 660051606077. The next prime is 660051606121. The reversal of 660051606104 is 401606150066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74434679 + ... + 74443545.

It is an arithmetic number, because the mean of its divisors is an integer number (14875959150).

Almost surely, 2^660051606104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 660051606104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714046039200).

660051606104 is an abundant number, since it is smaller than the sum of its proper divisors (768040472296).

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

660051606104 is a wasteful number, since it uses less digits than its factorization.

660051606104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9325 (or 9110 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 660051606104 in words is "six hundred sixty billion, fifty-one million, six hundred six thousand, one hundred four".