165276243299 has 2 divisors, whose sum is σ = 165276243300. Its totient is φ = 165276243298.

The previous prime is 165276243259. The next prime is 165276243343. The reversal of 165276243299 is 992342672561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165276243299 - 2⁸ = 165276243043 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (165276243259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82638121649 + 82638121650.

It is an arithmetic number, because the mean of its divisors is an integer number (82638121650).

Almost surely, 2^165276243299 is an apocalyptic number.

165276243299 is a deficient number, since it is larger than the sum of its proper divisors (1).

165276243299 is an equidigital number, since it uses as much as digits as its factorization.

165276243299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 56.

The spelling of 165276243299 in words is "one hundred sixty-five billion, two hundred seventy-six million, two hundred forty-three thousand, two hundred ninety-nine".