165794155 has 8 divisors (see below), whose sum is σ = 199022112. Its totient is φ = 132589248.

The previous prime is 165794147. The next prime is 165794177. The reversal of 165794155 is 551497561.

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

It is a cyclic number.

It is not a de Polignac number, because 165794155 - 2³ = 165794147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25167 + ... + 31063.

It is an arithmetic number, because the mean of its divisors is an integer number (24877764).

Almost surely, 2^165794155 is an apocalyptic number.

165794155 is a deficient number, since it is larger than the sum of its proper divisors (33227957).

165794155 is an equidigital number, since it uses as much as digits as its factorization.

165794155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11525.

The product of its digits is 189000, while the sum is 43.

The square root of 165794155 is about 12876.1079134962. The cubic root of 165794155 is about 549.3592041225.

The spelling of 165794155 in words is "one hundred sixty-five million, seven hundred ninety-four thousand, one hundred fifty-five".