158489821152 has 384 divisors, whose sum is σ = 537083809920. Its totient is φ = 45028638720.

The previous prime is 158489821141. The next prime is 158489821177. The reversal of 158489821152 is 251128984851.

158489821152 is a `hidden beast` number, since 1 + 5 + 8 + 489 + 8 + 2 + 1 + 152 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10112202 + ... + 10127862.

It is an arithmetic number, because the mean of its divisors is an integer number (1398655755).

Almost surely, 2^158489821152 is an apocalyptic number.

158489821152 is a gapful number since it is divisible by the number (12) 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 158489821152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268541904960).

158489821152 is an abundant number, since it is smaller than the sum of its proper divisors (378593988768).

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

158489821152 is a wasteful number, since it uses less digits than its factorization.

158489821152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15763 (or 15749 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 54.

The spelling of 158489821152 in words is "one hundred fifty-eight billion, four hundred eighty-nine million, eight hundred twenty-one thousand, one hundred fifty-two".