2320643766 has 32 divisors (see below), whose sum is σ = 5355836928. Its totient is φ = 656602560.

The previous prime is 2320643693. The next prime is 2320643779. The reversal of 2320643766 is 6673460232.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 263895 + ... + 272546.

It is an arithmetic number, because the mean of its divisors is an integer number (167369904).

Almost surely, 2^2320643766 is an apocalyptic number.

2320643766 is an abundant number, since it is smaller than the sum of its proper divisors (3035193162).

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

2320643766 is a wasteful number, since it uses less digits than its factorization.

2320643766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536556.

The product of its (nonzero) digits is 217728, while the sum is 39.

The square root of 2320643766 is about 48173.0605836914. The cubic root of 2320643766 is about 1323.9436252743.

The spelling of 2320643766 in words is "two billion, three hundred twenty million, six hundred forty-three thousand, seven hundred sixty-six".