165311027245 has 16 divisors (see below), whose sum is σ = 244151671680. Its totient is φ = 104636430144.

The previous prime is 165311027177. The next prime is 165311027249. The reversal of 165311027245 is 542720113561.

165311027245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 165311027245 - 2¹⁹ = 165310502957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165311027249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181660015 + ... + 181660924.

It is an arithmetic number, because the mean of its divisors is an integer number (15259479480).

Almost surely, 2^165311027245 is an apocalyptic number.

It is an amenable number.

165311027245 is a deficient number, since it is larger than the sum of its proper divisors (78840644435).

165311027245 is a wasteful number, since it uses less digits than its factorization.

165311027245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363320964.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 165311027245 in words is "one hundred sixty-five billion, three hundred eleven million, twenty-seven thousand, two hundred forty-five".