165162233 has 2 divisors, whose sum is σ = 165162234. Its totient is φ = 165162232.

The previous prime is 165162229. The next prime is 165162247. The reversal of 165162233 is 332261561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157828969 + 7333264 = 12563^2 + 2708^2 .

It is an emirp because it is prime and its reverse (332261561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165162233 - 2² = 165162229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165162196 and 165162205.

It is not a weakly prime, because it can be changed into another prime (165162133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82581116 + 82581117.

It is an arithmetic number, because the mean of its divisors is an integer number (82581117).

Almost surely, 2^165162233 is an apocalyptic number.

It is an amenable number.

165162233 is a deficient number, since it is larger than the sum of its proper divisors (1).

165162233 is an equidigital number, since it uses as much as digits as its factorization.

165162233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 165162233 is about 12851.5459381352. The cubic root of 165162233 is about 548.6603572936.

The spelling of 165162233 in words is "one hundred sixty-five million, one hundred sixty-two thousand, two hundred thirty-three".