165047079 has 8 divisors (see below), whose sum is σ = 220131712. Its totient is φ = 109996920.

The previous prime is 165047039. The next prime is 165047089. The reversal of 165047079 is 970740561.

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

It is not a de Polignac number, because 165047079 - 2²⁰ = 163998503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165047039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6192 + ... + 19194.

It is an arithmetic number, because the mean of its divisors is an integer number (27516464).

Almost surely, 2^165047079 is an apocalyptic number.

165047079 is a deficient number, since it is larger than the sum of its proper divisors (55084633).

165047079 is a wasteful number, since it uses less digits than its factorization.

165047079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17237.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 165047079 is about 12847.0649955544. The cubic root of 165047079 is about 548.5328157791.

The spelling of 165047079 in words is "one hundred sixty-five million, forty-seven thousand, seventy-nine".