165112516 has 12 divisors (see below), whose sum is σ = 289075500. Its totient is φ = 82519520.

The previous prime is 165112511. The next prime is 165112523. The reversal of 165112516 is 615211561.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 59228416 + 105884100 = 7696^2 + 10290^2 .

It is not an unprimeable number, because it can be changed into a prime (165112511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2610 + ... + 18358.

It is an arithmetic number, because the mean of its divisors is an integer number (24089625).

Almost surely, 2^165112516 is an apocalyptic number.

It is an amenable number.

165112516 is a deficient number, since it is larger than the sum of its proper divisors (123962984).

165112516 is a wasteful number, since it uses less digits than its factorization.

165112516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18374 (or 18372 counting only the distinct ones).

The product of its digits is 1800, while the sum is 28.

The square root of 165112516 is about 12849.6115116372. The cubic root of 165112516 is about 548.6052993384.

The spelling of 165112516 in words is "one hundred sixty-five million, one hundred twelve thousand, five hundred sixteen".