165252107 has 2 divisors, whose sum is σ = 165252108. Its totient is φ = 165252106.

The previous prime is 165252049. The next prime is 165252133. The reversal of 165252107 is 701252561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165252107 - 2⁸ = 165251851 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 165252107.

It is not a weakly prime, because it can be changed into another prime (165252167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82626053 + 82626054.

It is an arithmetic number, because the mean of its divisors is an integer number (82626054).

Almost surely, 2^165252107 is an apocalyptic number.

165252107 is a deficient number, since it is larger than the sum of its proper divisors (1).

165252107 is an equidigital number, since it uses as much as digits as its factorization.

165252107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 165252107 is about 12855.0420847230. The cubic root of 165252107 is about 548.7598581673.

The spelling of 165252107 in words is "one hundred sixty-five million, two hundred fifty-two thousand, one hundred seven".