545596165 has 4 divisors (see below), whose sum is σ = 654715404. Its totient is φ = 436476928.

The previous prime is 545596159. The next prime is 545596193. The reversal of 545596165 is 561695545.

It is a Cunningham number, because it is equal to 23358²+1.

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 196392196 + 349203969 = 14014^2 + 18687^2 .

It is a cyclic number.

It is not a de Polignac number, because 545596165 - 2³ = 545596157 is a prime.

It is a super-3 number, since 3×545596165³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54559612 + ... + 54559621.

It is an arithmetic number, because the mean of its divisors is an integer number (163678851).

Almost surely, 2^545596165 is an apocalyptic number.

It is an amenable number.

545596165 is a deficient number, since it is larger than the sum of its proper divisors (109119239).

545596165 is a wasteful number, since it uses less digits than its factorization.

545596165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109119238.

The product of its digits is 810000, while the sum is 46.

The square root of 545596165 is about 23358.0000214059. Note that the first 4 decimals coincide. The cubic root of 545596165 is about 817.1286470307.

The spelling of 545596165 in words is "five hundred forty-five million, five hundred ninety-six thousand, one hundred sixty-five".