165043324520099 has 2 divisors, whose sum is σ = 165043324520100. Its totient is φ = 165043324520098.

The previous prime is 165043324519919. The next prime is 165043324520111. The reversal of 165043324520099 is 990025423340561.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165043324520099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165043324520099.

It is not a weakly prime, because it can be changed into another prime (165043324520999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82521662260049 + 82521662260050.

It is an arithmetic number, because the mean of its divisors is an integer number (82521662260050).

Almost surely, 2^{165043324520099} is an apocalyptic number.

165043324520099 is a deficient number, since it is larger than the sum of its proper divisors (1).

165043324520099 is an equidigital number, since it uses as much as digits as its factorization.

165043324520099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6998400, while the sum is 53.

The spelling of 165043324520099 in words is "one hundred sixty-five trillion, forty-three billion, three hundred twenty-four million, five hundred twenty thousand, ninety-nine".