8158162056 has 32 divisors (see below), whose sum is σ = 22249533600. Its totient is φ = 2472170240.

The previous prime is 8158161983. The next prime is 8158162081. The reversal of 8158162056 is 6502618518.

It is a junction number, because it is equal to n+sod(n) for n = 8158161999 and 8158162017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15450801 + ... + 15451328.

It is an arithmetic number, because the mean of its divisors is an integer number (695297925).

Almost surely, 2^8158162056 is an apocalyptic number.

It is an amenable number.

8158162056 is an abundant number, since it is smaller than the sum of its proper divisors (14091371544).

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

8158162056 is a wasteful number, since it uses less digits than its factorization.

8158162056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30902149 (or 30902145 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 8158162056 is about 90322.5445611449. The cubic root of 8158162056 is about 2013.0942544885.

The spelling of 8158162056 in words is "eight billion, one hundred fifty-eight million, one hundred sixty-two thousand, fifty-six".