158160517636 has 27 divisors (see below), whose sum is σ = 304247082517. Its totient is φ = 71887167440.

The previous prime is 158160517583. The next prime is 158160517657. The reversal of 158160517636 is 636715061851.

The square root of 158160517636 is 397694.

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., 153954216900 + 4206300736 = 392370^2 + 64856^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158160517636.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8740230 + ... + 8758306.

Almost surely, 2^158160517636 is an apocalyptic number.

158160517636 is the 397694-th square number.

It is an amenable number.

158160517636 is a deficient number, since it is larger than the sum of its proper divisors (146086564881).

158160517636 is an frugal number, since it uses more digits than its factorization.

158160517636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36180 (or 18090 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 49.

Multiplying 158160517636 by its sum of digits (49), we get a square (7749865364164 = 2783858²).

The spelling of 158160517636 in words is "one hundred fifty-eight billion, one hundred sixty million, five hundred seventeen thousand, six hundred thirty-six".