6651442222237 has 8 divisors (see below), whose sum is σ = 6677406904896. Its totient is φ = 6625478188032.

The previous prime is 6651442222171. The next prime is 6651442222331. The reversal of 6651442222237 is 7322222441566.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6651442222237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6651442228237) 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, 36676738 + ... + 36857644.

It is an arithmetic number, because the mean of its divisors is an integer number (834675863112).

Almost surely, 2^{6651442222237} is an apocalyptic number.

It is an amenable number.

6651442222237 is a deficient number, since it is larger than the sum of its proper divisors (25964682659).

6651442222237 is a wasteful number, since it uses less digits than its factorization.

6651442222237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324227.

The product of its digits is 1935360, while the sum is 46.

The spelling of 6651442222237 in words is "six trillion, six hundred fifty-one billion, four hundred forty-two million, two hundred twenty-two thousand, two hundred thirty-seven".