6642681796030 has 32 divisors (see below), whose sum is σ = 14384153064960. Its totient is φ = 2157622958880.

The previous prime is 6642681796007. The next prime is 6642681796031. The reversal of 6642681796030 is 306971862466.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6642681796031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2497247466 + ... + 2497250125.

It is an arithmetic number, because the mean of its divisors is an integer number (449504783280).

Almost surely, 2^{6642681796030} is an apocalyptic number.

6642681796030 is an abundant number, since it is smaller than the sum of its proper divisors (7741471268930).

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

6642681796030 is a wasteful number, since it uses less digits than its factorization.

6642681796030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4994497624.

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 6642681796030 in words is "six trillion, six hundred forty-two billion, six hundred eighty-one million, seven hundred ninety-six thousand, thirty".