8016158089 has 3 divisors (see below), whose sum is σ = 8016247623. Its totient is φ = 8016068556.

The previous prime is 8016158081. The next prime is 8016158141. The reversal of 8016158089 is 9808516108.

The square root of 8016158089 is 89533.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 7757205625 + 258952464 = 88075^2 + 16092^2 .

It is not a de Polignac number, because 8016158089 - 2³ = 8016158081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8016158081) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 44767 + ... + 134299.

It is an arithmetic number, because the mean of its divisors is an integer number (2672082541).

Almost surely, 2^8016158089 is an apocalyptic number.

8016158089 is the 89533-rd square number.

8016158089 is the 44767-th centered octagonal number.

It is an amenable number.

8016158089 is a deficient number, since it is larger than the sum of its proper divisors (89534).

8016158089 is an frugal number, since it uses more digits than its factorization.

8016158089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179066 (or 89533 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 46.

The cubic root of 8016158089 is about 2001.3456018914.

The spelling of 8016158089 in words is "eight billion, sixteen million, one hundred fifty-eight thousand, eighty-nine".