165120234046153 has 2 divisors, whose sum is σ = 165120234046154. Its totient is φ = 165120234046152.

The previous prime is 165120234046121. The next prime is 165120234046193. The reversal of 165120234046153 is 351640432021561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118174879663929 + 46945354382224 = 10870827^2 + 6851668^2 .

It is a cyclic number.

It is not a de Polignac number, because 165120234046153 - 2⁵ = 165120234046121 is a prime.

It is not a weakly prime, because it can be changed into another prime (165120234046193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82560117023076 + 82560117023077.

It is an arithmetic number, because the mean of its divisors is an integer number (82560117023077).

Almost surely, 2^{165120234046153} is an apocalyptic number.

It is an amenable number.

165120234046153 is a deficient number, since it is larger than the sum of its proper divisors (1).

165120234046153 is an equidigital number, since it uses as much as digits as its factorization.

165120234046153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 165120234046153 in words is "one hundred sixty-five trillion, one hundred twenty billion, two hundred thirty-four million, forty-six thousand, one hundred fifty-three".