165136066 has 16 divisors (see below), whose sum is σ = 249444000. Its totient is φ = 81990720.

The previous prime is 165136061. The next prime is 165136073. The reversal of 165136066 is 660631561.

It is not an unprimeable number, because it can be changed into a prime (165136061) 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, 330685 + ... + 331183.

It is an arithmetic number, because the mean of its divisors is an integer number (15590250).

Almost surely, 2^165136066 is an apocalyptic number.

165136066 is a deficient number, since it is larger than the sum of its proper divisors (84307934).

165136066 is a wasteful number, since it uses less digits than its factorization.

165136066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 165136066 is about 12850.5278490808. The cubic root of 165136066 is about 548.6313806251.

The spelling of 165136066 in words is "one hundred sixty-five million, one hundred thirty-six thousand, sixty-six".