159657895488 has 448 divisors, whose sum is σ = 545983119360. Its totient is φ = 40040275968.

The previous prime is 159657895417. The next prime is 159657895493. The reversal of 159657895488 is 884598756951.

It is a tau number, because it is divible by the number of its divisors (448).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33945745 + ... + 33950447.

It is an arithmetic number, because the mean of its divisors is an integer number (1218712320).

Almost surely, 2^159657895488 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 159657895488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272991559680).

159657895488 is an abundant number, since it is smaller than the sum of its proper divisors (386325223872).

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

159657895488 is a wasteful number, since it uses less digits than its factorization.

159657895488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834 (or 4824 counting only the distinct ones).

The product of its digits is 870912000, while the sum is 75.

The spelling of 159657895488 in words is "one hundred fifty-nine billion, six hundred fifty-seven million, eight hundred ninety-five thousand, four hundred eighty-eight".