158642577808 has 80 divisors (see below), whose sum is σ = 361346622336. Its totient is φ = 66518968320.

The previous prime is 158642577757. The next prime is 158642577857. The reversal of 158642577808 is 808775246851.

It is a happy number.

158642577808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3530941 + ... + 3575587.

Almost surely, 2^158642577808 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 158642577808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180673311168).

158642577808 is an abundant number, since it is smaller than the sum of its proper divisors (202704044528).

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

158642577808 is a wasteful number, since it uses less digits than its factorization.

158642577808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46232 (or 46226 counting only the distinct ones).

The product of its (nonzero) digits is 30105600, while the sum is 61.

The spelling of 158642577808 in words is "one hundred fifty-eight billion, six hundred forty-two million, five hundred seventy-seven thousand, eight hundred eight".