18768568106 has 32 divisors (see below), whose sum is σ = 31465584000. Its totient is φ = 8344000512.

The previous prime is 18768568037. The next prime is 18768568171. The reversal of 18768568106 is 60186586781.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 191450 + ... + 272378.

It is an arithmetic number, because the mean of its divisors is an integer number (983299500).

Almost surely, 2^18768568106 is an apocalyptic number.

18768568106 is a deficient number, since it is larger than the sum of its proper divisors (12697015894).

18768568106 is a wasteful number, since it uses less digits than its factorization.

18768568106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81326.

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 18768568106 in words is "eighteen billion, seven hundred sixty-eight million, five hundred sixty-eight thousand, one hundred six".