658960979680 has 48 divisors (see below), whose sum is σ = 1558809572544. Its totient is φ = 263243353600.

The previous prime is 658960979669. The next prime is 658960979681. The reversal of 658960979680 is 86979069856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (658960979681) 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, 2540296 + ... + 2787655.

It is an arithmetic number, because the mean of its divisors is an integer number (32475199428).

Almost surely, 2^658960979680 is an apocalyptic number.

It is an amenable number.

658960979680 is an abundant number, since it is smaller than the sum of its proper divisors (899848592864).

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

658960979680 is a wasteful number, since it uses less digits than its factorization.

658960979680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5328739 (or 5328731 counting only the distinct ones).

The product of its (nonzero) digits is 352719360, while the sum is 73.

The spelling of 658960979680 in words is "six hundred fifty-eight billion, nine hundred sixty million, nine hundred seventy-nine thousand, six hundred eighty".