165049066 has 32 divisors (see below), whose sum is σ = 306004608. Its totient is φ = 65016000.

The previous prime is 165049061. The next prime is 165049099. The reversal of 165049066 is 660940561.

It is not an unprimeable number, because it can be changed into a prime (165049061) 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, 43876 + ... + 47488.

It is an arithmetic number, because the mean of its divisors is an integer number (9562644).

Almost surely, 2^165049066 is an apocalyptic number.

165049066 is a deficient number, since it is larger than the sum of its proper divisors (140955542).

165049066 is a wasteful number, since it uses less digits than its factorization.

165049066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 165049066 is about 12847.1423281600. The cubic root of 165049066 is about 548.5350170305.

The spelling of 165049066 in words is "one hundred sixty-five million, forty-nine thousand, sixty-six".