156942213120 has 1792 divisors, whose sum is σ = 739830067200. Its totient is φ = 30576476160.

The previous prime is 156942213107. The next prime is 156942213133. The reversal of 156942213120 is 21312249651.

156942213120 is a `hidden beast` number, since 1 + 569 + 42 + 2 + 1 + 31 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (156942213107) and next prime (156942213133).

It is a tau number, because it is divible by the number of its divisors (1792).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1617960912 + ... + 1617961008.

It is an arithmetic number, because the mean of its divisors is an integer number (412851600).

Almost surely, 2^156942213120 is an apocalyptic number.

156942213120 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 156942213120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369915033600).

156942213120 is an abundant number, since it is smaller than the sum of its proper divisors (582887854080).

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

156942213120 is a wasteful number, since it uses less digits than its factorization.

156942213120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 156942213120 in words is "one hundred fifty-six billion, nine hundred forty-two million, two hundred thirteen thousand, one hundred twenty".