156795819880 has 128 divisors (see below), whose sum is σ = 420963194880. Its totient is φ = 51391422720.

The previous prime is 156795819841. The next prime is 156795819899. The reversal of 156795819880 is 88918597651.

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, 12944787 + ... + 12956893.

It is an arithmetic number, because the mean of its divisors is an integer number (3288774960).

Almost surely, 2^156795819880 is an apocalyptic number.

156795819880 is a gapful number since it is divisible by the number (10) 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 156795819880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210481597440).

156795819880 is an abundant number, since it is smaller than the sum of its proper divisors (264167375000).

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

156795819880 is a wasteful number, since it uses less digits than its factorization.

156795819880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14159 (or 14155 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 67.

The spelling of 156795819880 in words is "one hundred fifty-six billion, seven hundred ninety-five million, eight hundred nineteen thousand, eight hundred eighty".