6642626206262 has 12 divisors (see below), whose sum is σ = 10319371154196. Its totient is φ = 3206785064280.

The previous prime is 6642626206261. The next prime is 6642626206297. The reversal of 6642626206262 is 2626026262466.

It is a super-2 number, since 2×6642626206262² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6642626206262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6642626206261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1974619664 + ... + 1974623027.

It is an arithmetic number, because the mean of its divisors is an integer number (859947596183).

Almost surely, 2^{6642626206262} is an apocalyptic number.

6642626206262 is a deficient number, since it is larger than the sum of its proper divisors (3676744947934).

6642626206262 is a wasteful number, since it uses less digits than its factorization.

6642626206262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949242751 (or 3949242722 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 50.

The spelling of 6642626206262 in words is "six trillion, six hundred forty-two billion, six hundred twenty-six million, two hundred six thousand, two hundred sixty-two".