6328765646 has 32 divisors (see below), whose sum is σ = 10977135552. Its totient is φ = 2680473600.

The previous prime is 6328765633. The next prime is 6328765657. The reversal of 6328765646 is 6465678236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 812000 + ... + 819756.

It is an arithmetic number, because the mean of its divisors is an integer number (343035486).

Almost surely, 2^6328765646 is an apocalyptic number.

6328765646 is a deficient number, since it is larger than the sum of its proper divisors (4648369906).

6328765646 is a wasteful number, since it uses less digits than its factorization.

6328765646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8444.

The product of its digits is 8709120, while the sum is 53.

The square root of 6328765646 is about 79553.5394938528. The cubic root of 6328765646 is about 1849.7214721661.

The spelling of 6328765646 in words is "six billion, three hundred twenty-eight million, seven hundred sixty-five thousand, six hundred forty-six".