165047394 has 16 divisors (see below), whose sum is σ = 330533280. Its totient is φ = 54942720.

The previous prime is 165047383. The next prime is 165047413. The reversal of 165047394 is 493740561.

165047394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 13272 + ... + 22499.

It is an arithmetic number, because the mean of its divisors is an integer number (20658330).

Almost surely, 2^165047394 is an apocalyptic number.

165047394 is an abundant number, since it is smaller than the sum of its proper divisors (165485886).

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

165047394 is a wasteful number, since it uses less digits than its factorization.

165047394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36545.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 165047394 is about 12847.0772551581. The cubic root of 165047394 is about 548.5331647457.

The spelling of 165047394 in words is "one hundred sixty-five million, forty-seven thousand, three hundred ninety-four".