158143021056 has 340 divisors, whose sum is σ = 488221649344. Its totient is φ = 51013877760.

The previous prime is 158143021037. The next prime is 158143021079. The reversal of 158143021056 is 650120341851.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

158143021056 is a `hidden beast` number, since 1 + 5 + 8 + 1 + 430 + 210 + 5 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 158143021056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5101387761 + ... + 5101387791.

Almost surely, 2^158143021056 is an apocalyptic number.

158143021056 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 158143021056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244110824672).

158143021056 is an abundant number, since it is smaller than the sum of its proper divisors (330078628288).

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

158143021056 is an frugal number, since it uses more digits than its factorization.

158143021056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

Multiplying 158143021056 by its sum of digits (36), we get a cube (5693148758016 = 17856³).

The spelling of 158143021056 in words is "one hundred fifty-eight billion, one hundred forty-three million, twenty-one thousand, fifty-six".