158832481640 has 256 divisors, whose sum is σ = 430501478400. Its totient is φ = 51595315200.

The previous prime is 158832481627. The next prime is 158832481673. The reversal of 158832481640 is 46184238851.

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, 169511252 + ... + 169512188.

It is an arithmetic number, because the mean of its divisors is an integer number (1681646400).

Almost surely, 2^158832481640 is an apocalyptic number.

158832481640 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 158832481640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215250739200).

158832481640 is an abundant number, since it is smaller than the sum of its proper divisors (271668996760).

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

158832481640 is a wasteful number, since it uses less digits than its factorization.

158832481640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 50.

The spelling of 158832481640 in words is "one hundred fifty-eight billion, eight hundred thirty-two million, four hundred eighty-one thousand, six hundred forty".