6642702356 has 12 divisors (see below), whose sum is σ = 11625304992. Its totient is φ = 3321186648.

The previous prime is 6642702343. The next prime is 6642702403. The reversal of 6642702356 is 6532072466.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118811 + ... + 165533.

It is an arithmetic number, because the mean of its divisors is an integer number (968775416).

Almost surely, 2^6642702356 is an apocalyptic number.

It is an amenable number.

6642702356 is a deficient number, since it is larger than the sum of its proper divisors (4982602636).

6642702356 is a wasteful number, since it uses less digits than its factorization.

6642702356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82270 (or 82268 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 41.

The square root of 6642702356 is about 81502.7751429361. The cubic root of 6642702356 is about 1879.8142222490.

The spelling of 6642702356 in words is "six billion, six hundred forty-two million, seven hundred two thousand, three hundred fifty-six".