165115492 has 12 divisors (see below), whose sum is σ = 305949420. Its totient is φ = 77701376.

The previous prime is 165115477. The next prime is 165115547. The reversal of 165115492 is 294511561.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 58736896 + 106378596 = 7664^2 + 10314^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 1214017 + ... + 1214152.

It is an arithmetic number, because the mean of its divisors is an integer number (25495785).

Almost surely, 2^165115492 is an apocalyptic number.

It is an amenable number.

165115492 is a deficient number, since it is larger than the sum of its proper divisors (140833928).

165115492 is a wasteful number, since it uses less digits than its factorization.

165115492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428190 (or 2428188 counting only the distinct ones).

The product of its digits is 10800, while the sum is 34.

The square root of 165115492 is about 12849.7273122818. The cubic root of 165115492 is about 548.6085953525.

The spelling of 165115492 in words is "one hundred sixty-five million, one hundred fifteen thousand, four hundred ninety-two".