165190622459 has 2 divisors, whose sum is σ = 165190622460. Its totient is φ = 165190622458.

The previous prime is 165190622437. The next prime is 165190622489. The reversal of 165190622459 is 954226091561.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165190622459 - 2⁸ = 165190622203 is a prime.

It is not a weakly prime, because it can be changed into another prime (165190622489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82595311229 + 82595311230.

It is an arithmetic number, because the mean of its divisors is an integer number (82595311230).

Almost surely, 2^165190622459 is an apocalyptic number.

165190622459 is a deficient number, since it is larger than the sum of its proper divisors (1).

165190622459 is an equidigital number, since it uses as much as digits as its factorization.

165190622459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 165190622459 in words is "one hundred sixty-five billion, one hundred ninety million, six hundred twenty-two thousand, four hundred fifty-nine".