158088940816 has 15 divisors (see below), whose sum is σ = 306300404293. Its totient is φ = 79043675200.

The previous prime is 158088940799. The next prime is 158088940831. The reversal of 158088940816 is 618049880851.

The square root of 158088940816 is 397604.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 100872300816 + 57216640000 = 317604^2 + 239200^2 .

It is a super-2 number, since 2×158088940816² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1540716 + ... + 1640116.

Almost surely, 2^158088940816 is an apocalyptic number.

158088940816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

158088940816 is the 397604-th square number.

It is an amenable number.

158088940816 is a deficient number, since it is larger than the sum of its proper divisors (148211463477).

158088940816 is an frugal number, since it uses more digits than its factorization.

158088940816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198810 (or 99403 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 58.

The spelling of 158088940816 in words is "one hundred fifty-eight billion, eighty-eight million, nine hundred forty thousand, eight hundred sixteen".