18628783606822 has 8 divisors (see below), whose sum is σ = 28087958703096. Its totient is φ = 9266130705792.

The previous prime is 18628783606789. The next prime is 18628783606831. The reversal of 18628783606822 is 22860638782681.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24130548328 + ... + 24130549099.

It is an arithmetic number, because the mean of its divisors is an integer number (3510994837887).

Almost surely, 2^{18628783606822} is an apocalyptic number.

18628783606822 is a deficient number, since it is larger than the sum of its proper divisors (9459175096274).

18628783606822 is a wasteful number, since it uses less digits than its factorization.

18628783606822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48261097622.

The product of its (nonzero) digits is 148635648, while the sum is 67.

The spelling of 18628783606822 in words is "eighteen trillion, six hundred twenty-eight billion, seven hundred eighty-three million, six hundred six thousand, eight hundred twenty-two".