6632985766 has 32 divisors (see below), whose sum is σ = 11432171520. Its totient is φ = 2854576800.

The previous prime is 6632985739. The next prime is 6632985803. The reversal of 6632985766 is 6675892366.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6632985766.

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 15 ways as a sum of consecutive naturals, for example, 878640 + ... + 886156.

It is an arithmetic number, because the mean of its divisors is an integer number (357255360).

Almost surely, 2^6632985766 is an apocalyptic number.

6632985766 is a deficient number, since it is larger than the sum of its proper divisors (4799185754).

6632985766 is a wasteful number, since it uses less digits than its factorization.

6632985766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9660.

The product of its digits is 19595520, while the sum is 58.

The square root of 6632985766 is about 81443.1443769210. The cubic root of 6632985766 is about 1878.8972110582.

The spelling of 6632985766 in words is "six billion, six hundred thirty-two million, nine hundred eighty-five thousand, seven hundred sixty-six".