327606660 has 192 divisors, whose sum is σ = 1091543040. Its totient is φ = 81285120.

The previous prime is 327606647. The next prime is 327606689. The reversal of 327606660 is 66606723.

It is a super-3 number, since 3×327606660³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1165720 + ... + 1166000.

It is an arithmetic number, because the mean of its divisors is an integer number (5685120).

Almost surely, 2^327606660 is an apocalyptic number.

327606660 is a gapful number since it is divisible by the number (30) 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 327606660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545771520).

327606660 is an abundant number, since it is smaller than the sum of its proper divisors (763936380).

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

327606660 is a wasteful number, since it uses less digits than its factorization.

327606660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 327606660 is about 18099.9077345715. The cubic root of 327606660 is about 689.3676626495.

The spelling of 327606660 in words is "three hundred twenty-seven million, six hundred six thousand, six hundred sixty".