6646042022622 has 16 divisors (see below), whose sum is σ = 13292643455760. Its totient is φ = 2215254105792.

The previous prime is 6646042022611. The next prime is 6646042022623. The reversal of 6646042022622 is 2262202406466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6646042022623) 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, 23154247 + ... + 23439522.

It is an arithmetic number, because the mean of its divisors is an integer number (830790215985).

Almost surely, 2^{6646042022622} is an apocalyptic number.

6646042022622 is an abundant number, since it is smaller than the sum of its proper divisors (6646601433138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6646042022622 is a wasteful number, since it uses less digits than its factorization.

6646042022622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46617547.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 6646042022622 in words is "six trillion, six hundred forty-six billion, forty-two million, twenty-two thousand, six hundred twenty-two".