3327216660 has 72 divisors (see below), whose sum is σ = 10097263176. Its totient is φ = 886844160.

The previous prime is 3327216653. The next prime is 3327216671. The reversal of 3327216660 is 666127233.

It can be written as a sum of positive squares in 4 ways, for example, as 137452176 + 3189764484 = 11724^2 + 56478^2 .

It is a super-2 number, since 2×3327216660² = 22140741405163111200, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 721482 + ... + 726078.

Almost surely, 2^3327216660 is an apocalyptic number.

3327216660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3327216660 is an abundant number, since it is smaller than the sum of its proper divisors (6770046516).

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

3327216660 is a wasteful number, since it uses less digits than its factorization.

3327216660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8633 (or 8628 counting only the distinct ones).

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

The square root of 3327216660 is about 57682.0306508015. The cubic root of 3327216660 is about 1492.8873130986.

The spelling of 3327216660 in words is "three billion, three hundred twenty-seven million, two hundred sixteen thousand, six hundred sixty".