165080633 has 4 divisors (see below), whose sum is σ = 166132260. Its totient is φ = 164029008.

The previous prime is 165080621. The next prime is 165080639. The reversal of 165080633 is 336080561.

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 71436304 + 93644329 = 8452^2 + 9677^2 .

It is a cyclic number.

It is not a de Polignac number, because 165080633 - 2²² = 160886329 is a prime.

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 165080633.

It is not an unprimeable number, because it can be changed into a prime (165080639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525578 + ... + 525891.

It is an arithmetic number, because the mean of its divisors is an integer number (41533065).

Almost surely, 2^165080633 is an apocalyptic number.

It is an amenable number.

165080633 is a deficient number, since it is larger than the sum of its proper divisors (1051627).

165080633 is a wasteful number, since it uses less digits than its factorization.

165080633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051626.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 165080633 is about 12848.3708305761. The cubic root of 165080633 is about 548.5699854220.

The spelling of 165080633 in words is "one hundred sixty-five million, eighty thousand, six hundred thirty-three".