158436587488 has 96 divisors (see below), whose sum is σ = 334900500480. Its totient is φ = 73519380480.

The previous prime is 158436587461. The next prime is 158436587501. The reversal of 158436587488 is 884785634851.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13385733 + ... + 13397563.

It is an arithmetic number, because the mean of its divisors is an integer number (3488546880).

Almost surely, 2^158436587488 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 158436587488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167450250240).

158436587488 is an abundant number, since it is smaller than the sum of its proper divisors (176463912992).

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

158436587488 is a wasteful number, since it uses less digits than its factorization.

158436587488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12200 (or 12192 counting only the distinct ones).

The product of its digits is 206438400, while the sum is 67.

The spelling of 158436587488 in words is "one hundred fifty-eight billion, four hundred thirty-six million, five hundred eighty-seven thousand, four hundred eighty-eight".