165252262855679 has 4 divisors (see below), whose sum is σ = 165606122091384. Its totient is φ = 164898403619976.

The previous prime is 165252262855619. The next prime is 165252262855741. The reversal of 165252262855679 is 976558262252561.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165252262855679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165252262855619) 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, 176929617152 + ... + 176929618085.

It is an arithmetic number, because the mean of its divisors is an integer number (41401530522846).

Almost surely, 2^{165252262855679} is an apocalyptic number.

165252262855679 is a deficient number, since it is larger than the sum of its proper divisors (353859235705).

165252262855679 is an equidigital number, since it uses as much as digits as its factorization.

165252262855679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353859235704.

The product of its digits is 1088640000, while the sum is 71.

The spelling of 165252262855679 in words is "one hundred sixty-five trillion, two hundred fifty-two billion, two hundred sixty-two million, eight hundred fifty-five thousand, six hundred seventy-nine".