165112532 has 24 divisors (see below), whose sum is σ = 312264456. Its totient is φ = 75938688.

The previous prime is 165112529. The next prime is 165112547. The reversal of 165112532 is 235211561.

It can be written as a sum of positive squares in 4 ways, for example, as 16370116 + 148742416 = 4046^2 + 12196^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 9818 + ... + 20654.

It is an arithmetic number, because the mean of its divisors is an integer number (13011019).

Almost surely, 2^165112532 is an apocalyptic number.

It is an amenable number.

165112532 is a deficient number, since it is larger than the sum of its proper divisors (147151924).

165112532 is a wasteful number, since it uses less digits than its factorization.

165112532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11147 (or 11145 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 165112532 is about 12849.6121342241. The cubic root of 165112532 is about 548.6053170590.

The spelling of 165112532 in words is "one hundred sixty-five million, one hundred twelve thousand, five hundred thirty-two".