156968759856 has 160 divisors (see below), whose sum is σ = 417863255040. Its totient is φ = 50750226432.

The previous prime is 156968759839. The next prime is 156968759869. The reversal of 156968759856 is 658957869651.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204120240 + ... + 204121008.

It is an arithmetic number, because the mean of its divisors is an integer number (2611645344).

Almost surely, 2^156968759856 is an apocalyptic number.

156968759856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156968759856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208931627520).

156968759856 is an abundant number, since it is smaller than the sum of its proper divisors (260894495184).

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

156968759856 is a wasteful number, since it uses less digits than its factorization.

156968759856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523 (or 1517 counting only the distinct ones).

The product of its digits is 979776000, while the sum is 75.

The spelling of 156968759856 in words is "one hundred fifty-six billion, nine hundred sixty-eight million, seven hundred fifty-nine thousand, eight hundred fifty-six".