165066452 has 24 divisors (see below), whose sum is σ = 307218240. Its totient is φ = 77379840.

The previous prime is 165066449. The next prime is 165066457. The reversal of 165066452 is 254660561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165066457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3824 + ... + 18567.

It is an arithmetic number, because the mean of its divisors is an integer number (12800760).

Almost surely, 2^165066452 is an apocalyptic number.

It is an amenable number.

165066452 is a deficient number, since it is larger than the sum of its proper divisors (142151788).

165066452 is a wasteful number, since it uses less digits than its factorization.

165066452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22511 (or 22509 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 165066452 is about 12847.8189588739. The cubic root of 165066452 is about 548.5542769496.

The spelling of 165066452 in words is "one hundred sixty-five million, sixty-six thousand, four hundred fifty-two".