18426850068 has 48 divisors (see below), whose sum is σ = 46929871296. Its totient is φ = 5580898560.

The previous prime is 18426850037. The next prime is 18426850081. The reversal of 18426850068 is 86005862481.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18426849999 and 18426850026.

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, 216030 + ... + 289002.

It is an arithmetic number, because the mean of its divisors is an integer number (977705652).

Almost surely, 2^18426850068 is an apocalyptic number.

It is an amenable number.

18426850068 is an abundant number, since it is smaller than the sum of its proper divisors (28503021228).

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

18426850068 is a wasteful number, since it uses less digits than its factorization.

18426850068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74904 (or 74902 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 18426850068 in words is "eighteen billion, four hundred twenty-six million, eight hundred fifty thousand, sixty-eight".