3221206664653 has 8 divisors (see below), whose sum is σ = 3266916404480. Its totient is φ = 3175620299280.

The previous prime is 3221206664647. The next prime is 3221206664699. The reversal of 3221206664653 is 3564666021223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3221206664653 - 2¹⁷ = 3221206533581 is a prime.

It is a super-2 number, since 2×3221206664653² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221206664353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30791025 + ... + 30895462.

It is an arithmetic number, because the mean of its divisors is an integer number (408364550560).

Almost surely, 2^{3221206664653} is an apocalyptic number.

It is an amenable number.

3221206664653 is a deficient number, since it is larger than the sum of its proper divisors (45709739827).

3221206664653 is an equidigital number, since it uses as much as digits as its factorization.

3221206664653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61687227.

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 3221206664653 in words is "three trillion, two hundred twenty-one billion, two hundred six million, six hundred sixty-four thousand, six hundred fifty-three".