165964118 has 4 divisors (see below), whose sum is σ = 248946180. Its totient is φ = 82982058.

The previous prime is 165964093. The next prime is 165964153. The reversal of 165964118 is 811469561.

165964118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41491028 + ... + 41491031.

It is an arithmetic number, because the mean of its divisors is an integer number (62236545).

Almost surely, 2^165964118 is an apocalyptic number.

165964118 is a deficient number, since it is larger than the sum of its proper divisors (82982062).

165964118 is an equidigital number, since it uses as much as digits as its factorization.

165964118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82982061.

The product of its digits is 51840, while the sum is 41.

The square root of 165964118 is about 12882.7061598097. The cubic root of 165964118 is about 549.5468642371.

The spelling of 165964118 in words is "one hundred sixty-five million, nine hundred sixty-four thousand, one hundred eighteen".