3321160666 has 4 divisors (see below), whose sum is σ = 4981741002. Its totient is φ = 1660580332.

The previous prime is 3321160657. The next prime is 3321160673. The reversal of 3321160666 is 6660611233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6660611233 = 22483 ⋅296251.

It can be written as a sum of positive squares in only one way, i.e., 3142163025 + 178997641 = 56055^2 + 13379^2 .

It is a super-2 number, since 2×3321160666² = 22060216338771127112, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 830290165 + ... + 830290168.

Almost surely, 2^3321160666 is an apocalyptic number.

3321160666 is a deficient number, since it is larger than the sum of its proper divisors (1660580336).

3321160666 is a wasteful number, since it uses less digits than its factorization.

3321160666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660580335.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 3321160666 is about 57629.5121096821. The cubic root of 3321160666 is about 1491.9810092890.

Adding to 3321160666 its reverse (6660611233), we get a palindrome (9981771899).

The spelling of 3321160666 in words is "three billion, three hundred twenty-one million, one hundred sixty thousand, six hundred sixty-six".