156555318256 has 90 divisors (see below), whose sum is σ = 325538121320. Its totient is φ = 72921676800.

The previous prime is 156555318233. The next prime is 156555318301. The reversal of 156555318256 is 652813555651.

156555318256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 47167765 + ... + 47171083.

Almost surely, 2^156555318256 is an apocalyptic number.

156555318256 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 156555318256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162769060660).

156555318256 is an abundant number, since it is smaller than the sum of its proper divisors (168982803064).

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

156555318256 is a wasteful number, since it uses less digits than its factorization.

156555318256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563 (or 3439 counting only the distinct ones).

The product of its digits is 5400000, while the sum is 52.

The spelling of 156555318256 in words is "one hundred fifty-six billion, five hundred fifty-five million, three hundred eighteen thousand, two hundred fifty-six".