3212651668 has 12 divisors (see below), whose sum is σ = 5816007540. Its totient is φ = 1550935232.

The previous prime is 3212651641. The next prime is 3212651669. The reversal of 3212651668 is 8661562123.

It can be written as a sum of positive squares in 2 ways, for example, as 713851524 + 2498800144 = 26718^2 + 49988^2 .

It is a super-2 number, since 2×3212651668² = 20642261479806364448, 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 3212651668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212651669) 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 in 3 ways as a sum of consecutive naturals, for example, 13847521 + ... + 13847752.

It is an arithmetic number, because the mean of its divisors is an integer number (484667295).

Almost surely, 2^3212651668 is an apocalyptic number.

It is an amenable number.

3212651668 is a deficient number, since it is larger than the sum of its proper divisors (2603355872).

3212651668 is a wasteful number, since it uses less digits than its factorization.

3212651668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27695306 (or 27695304 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 3212651668 is about 56680.2581857211. The cubic root of 3212651668 is about 1475.5520933158.

The spelling of 3212651668 in words is "three billion, two hundred twelve million, six hundred fifty-one thousand, six hundred sixty-eight".