165562452 has 36 divisors (see below), whose sum is σ = 456552096. Its totient is φ = 50170320.

The previous prime is 165562379. The next prime is 165562489. The reversal of 165562452 is 254265561.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208648 + ... + 209439.

Almost surely, 2^165562452 is an apocalyptic number.

165562452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165562452 is an abundant number, since it is smaller than the sum of its proper divisors (290989644).

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

165562452 is a wasteful number, since it uses less digits than its factorization.

165562452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418108 (or 418103 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 165562452 is about 12867.1073672368. The cubic root of 165562452 is about 549.1031687227.

The spelling of 165562452 in words is "one hundred sixty-five million, five hundred sixty-two thousand, four hundred fifty-two".