156922145928 has 96 divisors (see below), whose sum is σ = 447531988800. Its totient is φ = 49535950464.

The previous prime is 156922145879. The next prime is 156922145929. The reversal of 156922145928 is 829541229651.

156922145928 is a `hidden beast` number, since 1 + 569 + 2 + 2 + 1 + 4 + 59 + 28 = 666.

It is not an unprimeable number, because it can be changed into a prime (156922145929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3929550 + ... + 3969282.

It is an arithmetic number, because the mean of its divisors is an integer number (4661791550).

Almost surely, 2^156922145928 is an apocalyptic number.

156922145928 is a gapful number since it is divisible by the number (18) 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 156922145928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223765994400).

156922145928 is an abundant number, since it is smaller than the sum of its proper divisors (290609842872).

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

156922145928 is a wasteful number, since it uses less digits than its factorization.

156922145928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42651 (or 42644 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The spelling of 156922145928 in words is "one hundred fifty-six billion, nine hundred twenty-two million, one hundred forty-five thousand, nine hundred twenty-eight".