326164545465624 has 384 divisors, whose sum is σ = 982439109550080. Its totient is φ = 97297120972800.

The previous prime is 326164545465569. The next prime is 326164545465659. The reversal of 326164545465624 is 426564545461623.

It is a happy number.

326164545465624 is a `hidden beast` number, since 3 + 2 + 6 + 1 + 6 + 4 + 545 + 4 + 65 + 6 + 24 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 789142429 + ... + 789555635.

It is an arithmetic number, because the mean of its divisors is an integer number (2558435181120).

Almost surely, 2^{326164545465624} is an apocalyptic number.

326164545465624 is a gapful number since it is divisible by the number (34) 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 326164545465624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491219554775040).

326164545465624 is an abundant number, since it is smaller than the sum of its proper divisors (656274564084456).

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

326164545465624 is a wasteful number, since it uses less digits than its factorization.

326164545465624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413631 (or 413624 counting only the distinct ones).

The product of its digits is 497664000, while the sum is 63.

The spelling of 326164545465624 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-four".