6642766302 has 32 divisors (see below), whose sum is σ = 13346657280. Its totient is φ = 2204092800.

The previous prime is 6642766297. The next prime is 6642766309. The reversal of 6642766302 is 2036672466.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6642766309) 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, 1255699 + ... + 1260977.

It is an arithmetic number, because the mean of its divisors is an integer number (417083040).

Almost surely, 2^6642766302 is an apocalyptic number.

6642766302 is an abundant number, since it is smaller than the sum of its proper divisors (6703890978).

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

6642766302 is a wasteful number, since it uses less digits than its factorization.

6642766302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208.

The product of its (nonzero) digits is 435456, while the sum is 42.

The square root of 6642766302 is about 81503.1674353825. The cubic root of 6642766302 is about 1879.8202542426.

The spelling of 6642766302 in words is "six billion, six hundred forty-two million, seven hundred sixty-six thousand, three hundred two".