165195433 has 4 divisors (see below), whose sum is σ = 177902788. Its totient is φ = 152488080.

The previous prime is 165195431. The next prime is 165195449. The reversal of 165195433 is 334591561.

It is a happy number.

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 98168464 + 67026969 = 9908^2 + 8187^2 .

It is a cyclic number.

It is not a de Polignac number, because 165195433 - 2¹ = 165195431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165195392 and 165195401.

It is not an unprimeable number, because it can be changed into a prime (165195431) 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, 6353658 + ... + 6353683.

It is an arithmetic number, because the mean of its divisors is an integer number (44475697).

Almost surely, 2^165195433 is an apocalyptic number.

165195433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

165195433 is a deficient number, since it is larger than the sum of its proper divisors (12707355).

165195433 is a wasteful number, since it uses less digits than its factorization.

165195433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12707354.

The product of its digits is 48600, while the sum is 37.

The square root of 165195433 is about 12852.8375466276. The cubic root of 165195433 is about 548.6971177223.

It can be divided in two parts, 16519 and 5433, that added together give a cube (21952 = 28³).

The spelling of 165195433 in words is "one hundred sixty-five million, one hundred ninety-five thousand, four hundred thirty-three".