326116512 has 72 divisors (see below), whose sum is σ = 933660000. Its totient is φ = 107971200.

The previous prime is 326116489. The next prime is 326116523. The reversal of 326116512 is 215611623.

326116512 is a `hidden beast` number, since 3 + 2 + 6 + 1 + 1 + 651 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×326116512² = 212703958798092288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39739 + ... + 47237.

It is an arithmetic number, because the mean of its divisors is an integer number (12967500).

Almost surely, 2^326116512 is an apocalyptic number.

326116512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326116512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466830000).

326116512 is an abundant number, since it is smaller than the sum of its proper divisors (607543488).

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

326116512 is a wasteful number, since it uses less digits than its factorization.

326116512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666 (or 7655 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 326116512 is about 18058.6962984596. The cubic root of 326116512 is about 688.3208571916.

The spelling of 326116512 in words is "three hundred twenty-six million, one hundred sixteen thousand, five hundred twelve".