164302215613 has 4 divisors (see below), whose sum is σ = 164327691328. Its totient is φ = 164276739900.

The previous prime is 164302215557. The next prime is 164302215629. The reversal of 164302215613 is 316512203461.

164302215613 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 316512203461 = 265729 ⋅1191109.

It is a cyclic number.

It is not a de Polignac number, because 164302215613 - 2²⁵ = 164268661181 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 (164302215653) 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, 12728181 + ... + 12741082.

It is an arithmetic number, because the mean of its divisors is an integer number (41081922832).

Almost surely, 2^164302215613 is an apocalyptic number.

It is an amenable number.

164302215613 is a deficient number, since it is larger than the sum of its proper divisors (25475715).

164302215613 is an equidigital number, since it uses as much as digits as its factorization.

164302215613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25475714.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 164302215613 in words is "one hundred sixty-four billion, three hundred two million, two hundred fifteen thousand, six hundred thirteen".