6665804822 has 32 divisors (see below), whose sum is σ = 10976497920. Its totient is φ = 3022295040.

The previous prime is 6665804801. The next prime is 6665804863. The reversal of 6665804822 is 2284085666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227558 + ... + 255174.

It is an arithmetic number, because the mean of its divisors is an integer number (343015560).

Almost surely, 2^6665804822 is an apocalyptic number.

6665804822 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6665804822 is a deficient number, since it is larger than the sum of its proper divisors (4310693098).

6665804822 is a wasteful number, since it uses less digits than its factorization.

6665804822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27896.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The square root of 6665804822 is about 81644.3802230135. The cubic root of 6665804822 is about 1881.9909515786.

The spelling of 6665804822 in words is "six billion, six hundred sixty-five million, eight hundred four thousand, eight hundred twenty-two".