3327216661 has 16 divisors (see below), whose sum is σ = 3475679040. Its totient is φ = 3181127040.

The previous prime is 3327216653. The next prime is 3327216671. The reversal of 3327216661 is 1666127233.

It is a cyclic number.

It is not a de Polignac number, because 3327216661 - 2³ = 3327216653 is a prime.

It is a super-2 number, since 2×3327216661² = 22140741418471977842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3327216661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3327216631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2172466 + ... + 2173996.

It is an arithmetic number, because the mean of its divisors is an integer number (217229940).

Almost surely, 2^3327216661 is an apocalyptic number.

It is an amenable number.

3327216661 is a deficient number, since it is larger than the sum of its proper divisors (148462379).

3327216661 is a wasteful number, since it uses less digits than its factorization.

3327216661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244.

The product of its digits is 54432, while the sum is 37.

The square root of 3327216661 is about 57682.0306594697. The cubic root of 3327216661 is about 1492.8873132482.

The spelling of 3327216661 in words is "three billion, three hundred twenty-seven million, two hundred sixteen thousand, six hundred sixty-one".