165917922 has 8 divisors (see below), whose sum is σ = 331835856. Its totient is φ = 55305972.

The previous prime is 165917897. The next prime is 165917923. The reversal of 165917922 is 229719561.

It is a sphenic number, since it is the product of 3 distinct primes.

165917922 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (165917923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13826488 + ... + 13826499.

It is an arithmetic number, because the mean of its divisors is an integer number (41479482).

Almost surely, 2^165917922 is an apocalyptic number.

165917922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

165917922 is a wasteful number, since it uses less digits than its factorization.

165917922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27652992.

The product of its digits is 68040, while the sum is 42.

The square root of 165917922 is about 12880.9130887527. The cubic root of 165917922 is about 549.4958708395.

The spelling of 165917922 in words is "one hundred sixty-five million, nine hundred seventeen thousand, nine hundred twenty-two".