6641516222422 has 4 divisors (see below), whose sum is σ = 9962274333636. Its totient is φ = 3320758111210.

The previous prime is 6641516222389. The next prime is 6641516222423. The reversal of 6641516222422 is 2242226151466.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6641516222423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660379055604 + ... + 1660379055607.

It is an arithmetic number, because the mean of its divisors is an integer number (2490568583409).

Almost surely, 2^{6641516222422} is an apocalyptic number.

6641516222422 is a deficient number, since it is larger than the sum of its proper divisors (3320758111214).

6641516222422 is a wasteful number, since it uses less digits than its factorization.

6641516222422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320758111213.

The product of its digits is 552960, while the sum is 43.

The spelling of 6641516222422 in words is "six trillion, six hundred forty-one billion, five hundred sixteen million, two hundred twenty-two thousand, four hundred twenty-two".