165162523 has 2 divisors, whose sum is σ = 165162524. Its totient is φ = 165162522.

The previous prime is 165162509. The next prime is 165162541. The reversal of 165162523 is 325261561.

165162523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165162523 - 2¹³ = 165154331 is a prime.

It is not a weakly prime, because it can be changed into another prime (165162593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82581261 + 82581262.

It is an arithmetic number, because the mean of its divisors is an integer number (82581262).

Almost surely, 2^165162523 is an apocalyptic number.

165162523 is a deficient number, since it is larger than the sum of its proper divisors (1).

165162523 is an equidigital number, since it uses as much as digits as its factorization.

165162523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 165162523 is about 12851.5572208196. The cubic root of 165162523 is about 548.6606784150.

The spelling of 165162523 in words is "one hundred sixty-five million, one hundred sixty-two thousand, five hundred twenty-three".