3321166564 has 6 divisors (see below), whose sum is σ = 5812041494. Its totient is φ = 1660583280.

The previous prime is 3321166561. The next prime is 3321166571. The reversal of 3321166564 is 4656611233.

It can be written as a sum of positive squares in only one way, i.e., 3092249664 + 228916900 = 55608^2 + 15130^2 .

It is a super-2 number, since 2×3321166564² = 22060294691663132192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3321166561) by changing a digit.

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, 415145817 + ... + 415145824.

Almost surely, 2^3321166564 is an apocalyptic number.

It is an amenable number.

3321166564 is a deficient number, since it is larger than the sum of its proper divisors (2490874930).

3321166564 is a wasteful number, since it uses less digits than its factorization.

3321166564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830291645 (or 830291643 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 3321166564 is about 57629.5632813576. The cubic root of 3321166564 is about 1491.9818924841.

Adding to 3321166564 its reverse (4656611233), we get a palindrome (7977777797).

The spelling of 3321166564 in words is "three billion, three hundred twenty-one million, one hundred sixty-six thousand, five hundred sixty-four".