18116487226 has 8 divisors (see below), whose sum is σ = 27184689504. Its totient is φ = 9054924060.

The previous prime is 18116487209. The next prime is 18116487229. The reversal of 18116487226 is 62278461181.

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

It is not an unprimeable number, because it can be changed into a prime (18116487229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1652950 + ... + 1663873.

It is an arithmetic number, because the mean of its divisors is an integer number (3398086188).

Almost surely, 2^18116487226 is an apocalyptic number.

18116487226 is a deficient number, since it is larger than the sum of its proper divisors (9068202278).

18116487226 is a wasteful number, since it uses less digits than its factorization.

18116487226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319556.

The product of its digits is 258048, while the sum is 46.

The spelling of 18116487226 in words is "eighteen billion, one hundred sixteen million, four hundred eighty-seven thousand, two hundred twenty-six".