165796469 has 4 divisors (see below), whose sum is σ = 165909900. Its totient is φ = 165683040.

The previous prime is 165796459. The next prime is 165796471. The reversal of 165796469 is 964697561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23280625 + 142515844 = 4825^2 + 11938^2 .

It is a cyclic number.

It is not a de Polignac number, because 165796469 - 2¹² = 165792373 is a prime.

It is a super-2 number, since 2×165796469² = 54976938265735922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165796469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165796429) 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, 54494 + ... + 57455.

It is an arithmetic number, because the mean of its divisors is an integer number (41477475).

Almost surely, 2^165796469 is an apocalyptic number.

It is an amenable number.

165796469 is a deficient number, since it is larger than the sum of its proper divisors (113431).

165796469 is a wasteful number, since it uses less digits than its factorization.

165796469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113430.

The product of its digits is 2449440, while the sum is 53.

The square root of 165796469 is about 12876.1977695281. The cubic root of 165796469 is about 549.3617599249.

The spelling of 165796469 in words is "one hundred sixty-five million, seven hundred ninety-six thousand, four hundred sixty-nine".