18266289054 has 32 divisors (see below), whose sum is σ = 39355575840. Its totient is φ = 5618568192.

The previous prime is 18266289031. The next prime is 18266289059. The reversal of 18266289054 is 45098266281.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18266288988 and 18266289006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18266289059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213814 + ... + 286790.

It is an arithmetic number, because the mean of its divisors is an integer number (1229861745).

Almost surely, 2^18266289054 is an apocalyptic number.

18266289054 is an abundant number, since it is smaller than the sum of its proper divisors (21089286786).

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

18266289054 is a wasteful number, since it uses less digits than its factorization.

18266289054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76204.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 18266289054 in words is "eighteen billion, two hundred sixty-six million, two hundred eighty-nine thousand, fifty-four".