18266063104 has 27 divisors (see below), whose sum is σ = 36465091327. Its totient is φ = 9131950336.

The previous prime is 18266063093. The next prime is 18266063119. The reversal of 18266063104 is 40136066281.

It is a happy number.

The square root of 18266063104 is 135152.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×18266063104² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2158209 + ... + 2166655.

Almost surely, 2^18266063104 is an apocalyptic number.

18266063104 is the 135152-nd square number.

It is an amenable number.

18266063104 is a deficient number, since it is larger than the sum of its proper divisors (18199028223).

18266063104 is an frugal number, since it uses more digits than its factorization.

18266063104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16910 (or 8449 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 18266063104 in words is "eighteen billion, two hundred sixty-six million, sixty-three thousand, one hundred four".