165061620003053 has 2 divisors, whose sum is σ = 165061620003054. Its totient is φ = 165061620003052.

The previous prime is 165061620003043. The next prime is 165061620003067. The reversal of 165061620003053 is 350300026160561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164481984452809 + 579635550244 = 12825053^2 + 761338^2 .

It is a cyclic number.

It is not a de Polignac number, because 165061620003053 - 2⁴⁰ = 163962108375277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165061620002998 and 165061620003016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165061620003043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82530810001526 + 82530810001527.

It is an arithmetic number, because the mean of its divisors is an integer number (82530810001527).

Almost surely, 2^{165061620003053} is an apocalyptic number.

It is an amenable number.

165061620003053 is a deficient number, since it is larger than the sum of its proper divisors (1).

165061620003053 is an equidigital number, since it uses as much as digits as its factorization.

165061620003053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 165061620003053 in words is "one hundred sixty-five trillion, sixty-one billion, six hundred twenty million, three thousand, fifty-three".