165022610523 has 4 divisors (see below), whose sum is σ = 220030147368. Its totient is φ = 110015073680.

The previous prime is 165022610453. The next prime is 165022610537. The reversal of 165022610523 is 325016220561.

165022610523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 165022610523 - 2¹³ = 165022602331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165022610573) 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 3 ways as a sum of consecutive naturals, for example, 27503768418 + ... + 27503768423.

It is an arithmetic number, because the mean of its divisors is an integer number (55007536842).

Almost surely, 2^165022610523 is an apocalyptic number.

165022610523 is a deficient number, since it is larger than the sum of its proper divisors (55007536845).

165022610523 is an equidigital number, since it uses as much as digits as its factorization.

165022610523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55007536844.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 165022610523 in words is "one hundred sixty-five billion, twenty-two million, six hundred ten thousand, five hundred twenty-three".