165124131379199 has 2 divisors, whose sum is σ = 165124131379200. Its totient is φ = 165124131379198.

The previous prime is 165124131379177. The next prime is 165124131379211. The reversal of 165124131379199 is 991973131421561.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165124131379199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165124131379159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82562065689599 + 82562065689600.

It is an arithmetic number, because the mean of its divisors is an integer number (82562065689600).

Almost surely, 2^{165124131379199} is an apocalyptic number.

165124131379199 is a deficient number, since it is larger than the sum of its proper divisors (1).

165124131379199 is an equidigital number, since it uses as much as digits as its factorization.

165124131379199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11022480, while the sum is 62.

The spelling of 165124131379199 in words is "one hundred sixty-five trillion, one hundred twenty-four billion, one hundred thirty-one million, three hundred seventy-nine thousand, one hundred ninety-nine".