156844881120 has 48 divisors (see below), whose sum is σ = 494061377040. Its totient is φ = 41825301504.

The previous prime is 156844881107. The next prime is 156844881131. The reversal of 156844881120 is 21188448651.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 156844881120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163379605 + ... + 163380564.

It is an arithmetic number, because the mean of its divisors is an integer number (10292945355).

Almost surely, 2^156844881120 is an apocalyptic number.

156844881120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156844881120 is an abundant number, since it is smaller than the sum of its proper divisors (337216495920).

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

156844881120 is a wasteful number, since it uses less digits than its factorization.

156844881120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326760187 (or 326760179 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 48.

The spelling of 156844881120 in words is "one hundred fifty-six billion, eight hundred forty-four million, eight hundred eighty-one thousand, one hundred twenty".