326213516153 has 24 divisors (see below), whose sum is σ = 381948686208. Its totient is φ = 277789702176.

The previous prime is 326213516149. The next prime is 326213516177. The reversal of 326213516153 is 351615312623.

It is not a de Polignac number, because 326213516153 - 2² = 326213516149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326213536153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12049250 + ... + 12076292.

It is an arithmetic number, because the mean of its divisors is an integer number (15914528592).

Almost surely, 2^326213516153 is an apocalyptic number.

It is an amenable number.

326213516153 is a deficient number, since it is larger than the sum of its proper divisors (55735170055).

326213516153 is a wasteful number, since it uses less digits than its factorization.

326213516153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28653 (or 28646 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

Adding to 326213516153 its reverse (351615312623), we get a palindrome (677828828776).

The spelling of 326213516153 in words is "three hundred twenty-six billion, two hundred thirteen million, five hundred sixteen thousand, one hundred fifty-three".