326627130816 has 336 divisors, whose sum is σ = 1078239412224. Its totient is φ = 92603547648.

The previous prime is 326627130803. The next prime is 326627130821. The reversal of 326627130816 is 618031726623.

326627130816 is a `hidden beast` number, since 3 + 2 + 6 + 627 + 1 + 3 + 0 + 8 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 396873381 + ... + 396874203.

Almost surely, 2^326627130816 is an apocalyptic number.

326627130816 is a gapful number since it is divisible by the number (36) 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 326627130816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539119706112).

326627130816 is an abundant number, since it is smaller than the sum of its proper divisors (751612281408).

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

326627130816 is a wasteful number, since it uses less digits than its factorization.

326627130816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 326627130816 in words is "three hundred twenty-six billion, six hundred twenty-seven million, one hundred thirty thousand, eight hundred sixteen".