492158165 has 4 divisors (see below), whose sum is σ = 590589804. Its totient is φ = 393726528.

The previous prime is 492158141. The next prime is 492158203. The reversal of 492158165 is 561851294.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 561851294 = 2 ⋅280925647.

It can be written as a sum of positive squares in 2 ways, for example, as 372605809 + 119552356 = 19303^2 + 10934^2 .

It is a cyclic number.

It is not a de Polignac number, because 492158165 - 2²⁴ = 475380949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49215812 + ... + 49215821.

It is an arithmetic number, because the mean of its divisors is an integer number (147647451).

Almost surely, 2^492158165 is an apocalyptic number.

It is an amenable number.

492158165 is a deficient number, since it is larger than the sum of its proper divisors (98431639).

492158165 is an equidigital number, since it uses as much as digits as its factorization.

492158165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98431638.

The product of its digits is 86400, while the sum is 41.

The square root of 492158165 is about 22184.6380407705. The cubic root of 492158165 is about 789.5292634349.

The spelling of 492158165 in words is "four hundred ninety-two million, one hundred fifty-eight thousand, one hundred sixty-five".