164345605635313 has 4 divisors (see below), whose sum is σ = 164345631715188. Its totient is φ = 164345579555440.

The previous prime is 164345605635283. The next prime is 164345605635349. The reversal of 164345605635313 is 313536506543461.

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 can be written as a sum of positive squares in 2 ways, for example, as 130780998146304 + 33564607489009 = 11435952^2 + 5793497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164345605635313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164345605635373) 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, 2940543 + ... + 18366763.

It is an arithmetic number, because the mean of its divisors is an integer number (41086407928797).

Almost surely, 2^{164345605635313} is an apocalyptic number.

It is an amenable number.

164345605635313 is a deficient number, since it is larger than the sum of its proper divisors (26079875).

164345605635313 is a wasteful number, since it uses less digits than its factorization.

164345605635313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26079874.

The product of its (nonzero) digits is 34992000, while the sum is 55.

The spelling of 164345605635313 in words is "one hundred sixty-four trillion, three hundred forty-five billion, six hundred five million, six hundred thirty-five thousand, three hundred thirteen".