659671344488 has 16 divisors (see below), whose sum is σ = 1332028676580. Its totient is φ = 304463697408.

The previous prime is 659671344481. The next prime is 659671344491. The reversal of 659671344488 is 884443176956.

It can be written as a sum of positive squares in 2 ways, for example, as 655610851204 + 4060493284 = 809698^2 + 63722^2 .

It is not an unprimeable number, because it can be changed into a prime (659671344481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3171496745 + ... + 3171496952.

Almost surely, 2^659671344488 is an apocalyptic number.

It is an amenable number.

659671344488 is an abundant number, since it is smaller than the sum of its proper divisors (672357332092).

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

659671344488 is a wasteful number, since it uses less digits than its factorization.

659671344488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6342993716 (or 6342993712 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 65.

The spelling of 659671344488 in words is "six hundred fifty-nine billion, six hundred seventy-one million, three hundred forty-four thousand, four hundred eighty-eight".