326320343316 has 72 divisors (see below), whose sum is σ = 918998930304. Its totient is φ = 96781011840.

The previous prime is 326320343273. The next prime is 326320343317. The reversal of 326320343316 is 613343023623.

326320343316 is a `hidden beast` number, since 3 + 2 + 6 + 3 + 203 + 433 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326320343317) 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 23 ways as a sum of consecutive naturals, for example, 8747785 + ... + 8785008.

It is an arithmetic number, because the mean of its divisors is an integer number (12763874032).

Almost surely, 2^326320343316 is an apocalyptic number.

326320343316 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

326320343316 is an abundant number, since it is smaller than the sum of its proper divisors (592678586988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

326320343316 is a wasteful number, since it uses less digits than its factorization.

326320343316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17532861 (or 17532856 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 36.

Adding to 326320343316 its reverse (613343023623), we get a palindrome (939663366939).

The spelling of 326320343316 in words is "three hundred twenty-six billion, three hundred twenty million, three hundred forty-three thousand, three hundred sixteen".