165235829113 has 2 divisors, whose sum is σ = 165235829114. Its totient is φ = 165235829112.

The previous prime is 165235829047. The next prime is 165235829137. The reversal of 165235829113 is 311928532561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89782331769 + 75453497344 = 299637^2 + 274688^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165235829113 is a prime.

It is not a weakly prime, because it can be changed into another prime (165235829173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82617914556 + 82617914557.

It is an arithmetic number, because the mean of its divisors is an integer number (82617914557).

Almost surely, 2^165235829113 is an apocalyptic number.

It is an amenable number.

165235829113 is a deficient number, since it is larger than the sum of its proper divisors (1).

165235829113 is an equidigital number, since it uses as much as digits as its factorization.

165235829113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 46.

The spelling of 165235829113 in words is "one hundred sixty-five billion, two hundred thirty-five million, eight hundred twenty-nine thousand, one hundred thirteen".