165263532 has 48 divisors (see below), whose sum is σ = 446756352. Its totient is φ = 46569600.

The previous prime is 165263521. The next prime is 165263537. The reversal of 165263532 is 235362561.

It is a junction number, because it is equal to n+sod(n) for n = 165263493 and 165263502.

It is not an unprimeable number, because it can be changed into a prime (165263537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7344 + ... + 19607.

It is an arithmetic number, because the mean of its divisors is an integer number (9307424).

Almost surely, 2^165263532 is an apocalyptic number.

165263532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165263532 is an abundant number, since it is smaller than the sum of its proper divisors (281492820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165263532 is a wasteful number, since it uses less digits than its factorization.

165263532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27038 (or 27036 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 165263532 is about 12855.4864552066. The cubic root of 165263532 is about 548.7725043740.

The spelling of 165263532 in words is "one hundred sixty-five million, two hundred sixty-three thousand, five hundred thirty-two".