165231148207 has 4 divisors (see below), whose sum is σ = 165232175176. Its totient is φ = 165230121240.

The previous prime is 165231148193. The next prime is 165231148231. The reversal of 165231148207 is 702841132561.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 165231148207 - 2²³ = 165222759599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165231148207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165231118207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213873 + ... + 613354.

It is an arithmetic number, because the mean of its divisors is an integer number (41308043794).

Almost surely, 2^165231148207 is an apocalyptic number.

165231148207 is a deficient number, since it is larger than the sum of its proper divisors (1026969).

165231148207 is an equidigital number, since it uses as much as digits as its factorization.

165231148207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026968.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 165231148207 in words is "one hundred sixty-five billion, two hundred thirty-one million, one hundred forty-eight thousand, two hundred seven".