326164545465623 has 4 divisors (see below), whose sum is σ = 326164620259368. Its totient is φ = 326164470671880.

The previous prime is 326164545465569. The next prime is 326164545465659. The reversal of 326164545465623 is 326564545461623.

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 326164545465623 - 2¹⁸ = 326164545203479 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 (326164545465223) 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, 30421961 + ... + 39721842.

It is an arithmetic number, because the mean of its divisors is an integer number (81541155064842).

Almost surely, 2^{326164545465623} is an apocalyptic number.

326164545465623 is a deficient number, since it is larger than the sum of its proper divisors (74793745).

326164545465623 is an equidigital number, since it uses as much as digits as its factorization.

326164545465623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74793744.

The product of its digits is 373248000, while the sum is 62.

The spelling of 326164545465623 in words is "three hundred twenty-six trillion, one hundred sixty-four billion, five hundred forty-five million, four hundred sixty-five thousand, six hundred twenty-three".