165195942 has 16 divisors (see below), whose sum is σ = 330560832. Its totient is φ = 55037160.

The previous prime is 165195941. The next prime is 165195949. The reversal of 165195942 is 249591561.

It is a junction number, because it is equal to n+sod(n) for n = 165195894 and 165195903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165195941) 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 7 ways as a sum of consecutive naturals, for example, 8217 + ... + 19947.

It is an arithmetic number, because the mean of its divisors is an integer number (20660052).

Almost surely, 2^165195942 is an apocalyptic number.

165195942 is an abundant number, since it is smaller than the sum of its proper divisors (165364890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165195942 is a wasteful number, since it uses less digits than its factorization.

165195942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14083.

The product of its digits is 97200, while the sum is 42.

The square root of 165195942 is about 12852.8573476873. The cubic root of 165195942 is about 548.6976812700.

The spelling of 165195942 in words is "one hundred sixty-five million, one hundred ninety-five thousand, nine hundred forty-two".