8158162 has 4 divisors (see below), whose sum is σ = 12237246. Its totient is φ = 4079080.

The previous prime is 8158133. The next prime is 8158187. The reversal of 8158162 is 2618518.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7834401 + 323761 = 2799^2 + 569^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2039539 + ... + 2039542.

Almost surely, 2^8158162 is an apocalyptic number.

8158162 is a deficient number, since it is larger than the sum of its proper divisors (4079084).

8158162 is a wasteful number, since it uses less digits than its factorization.

8158162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4079083.

The product of its digits is 3840, while the sum is 31.

The square root of 8158162 is about 2856.2496389496. The cubic root of 8158162 is about 201.3094249882.

The spelling of 8158162 in words is "eight million, one hundred fifty-eight thousand, one hundred sixty-two".