165195929 has 16 divisors (see below), whose sum is σ = 175875840. Its totient is φ = 154957440.

The previous prime is 165195907. The next prime is 165195941. The reversal of 165195929 is 929591561.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165195929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165195949) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 112967 + ... + 114419.

It is an arithmetic number, because the mean of its divisors is an integer number (10992240).

Almost surely, 2^165195929 is an apocalyptic number.

It is an amenable number.

165195929 is a deficient number, since it is larger than the sum of its proper divisors (10679911).

165195929 is a wasteful number, since it uses less digits than its factorization.

165195929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600.

The product of its digits is 218700, while the sum is 47.

The square root of 165195929 is about 12852.8568419632. The cubic root of 165195929 is about 548.6976668769.

The spelling of 165195929 in words is "one hundred sixty-five million, one hundred ninety-five thousand, nine hundred twenty-nine".