158211744768 has 528 divisors, whose sum is σ = 574889567616. Its totient is φ = 40709652480.

The previous prime is 158211744751. The next prime is 158211744781. The reversal of 158211744768 is 867447112851.

It is a happy number.

158211744768 is a `hidden beast` number, since 1 + 5 + 82 + 117 + 447 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (528).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80187430 + ... + 80189402.

Almost surely, 2^158211744768 is an apocalyptic number.

158211744768 is a gapful number since it is divisible by the number (18) 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 158211744768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287444783808).

158211744768 is an abundant number, since it is smaller than the sum of its proper divisors (416677822848).

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

158211744768 is a wasteful number, since it uses less digits than its factorization.

158211744768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130 (or 2109 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 54.

The spelling of 158211744768 in words is "one hundred fifty-eight billion, two hundred eleven million, seven hundred forty-four thousand, seven hundred sixty-eight".