156042168128 has 224 divisors, whose sum is σ = 393967411200. Its totient is φ = 59559413760.

The previous prime is 156042168127. The next prime is 156042168187. The reversal of 156042168128 is 821861240651.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156042168127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65043473 + ... + 65045871.

Almost surely, 2^156042168128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156042168128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196983705600).

156042168128 is an abundant number, since it is smaller than the sum of its proper divisors (237925243072).

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

156042168128 is a wasteful number, since it uses less digits than its factorization.

156042168128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693 (or 2683 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 156042168128 in words is "one hundred fifty-six billion, forty-two million, one hundred sixty-eight thousand, one hundred twenty-eight".