158242512064 has 112 divisors (see below), whose sum is σ = 389521850368. Its totient is φ = 62108218368.

The previous prime is 158242512059. The next prime is 158242512091. The reversal of 158242512064 is 460215242851.

It is a tau number, because it is divible by the number of its divisors (112).

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, 632677 + ... + 846619.

It is an arithmetic number, because the mean of its divisors is an integer number (3477873664).

Almost surely, 2^158242512064 is an apocalyptic number.

158242512064 is a gapful number since it is divisible by the number (14) 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 158242512064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194760925184).

158242512064 is an abundant number, since it is smaller than the sum of its proper divisors (231279338304).

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

158242512064 is a wasteful number, since it uses less digits than its factorization.

158242512064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214102 (or 214092 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 158242512064 in words is "one hundred fifty-eight billion, two hundred forty-two million, five hundred twelve thousand, sixty-four".