18221617114 has 8 divisors (see below), whose sum is σ = 27418648788. Its totient is φ = 9082067520.

The previous prime is 18221617103. The next prime is 18221617163. The reversal of 18221617114 is 41171612281.

It can be written as a sum of positive squares in 2 ways, for example, as 17978787225 + 242829889 = 134085^2 + 15583^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 18221617114.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14369727 + ... + 14370994.

Almost surely, 2^18221617114 is an apocalyptic number.

18221617114 is a deficient number, since it is larger than the sum of its proper divisors (9197031674).

18221617114 is a wasteful number, since it uses less digits than its factorization.

18221617114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28741040.

The product of its digits is 5376, while the sum is 34.

The spelling of 18221617114 in words is "eighteen billion, two hundred twenty-one million, six hundred seventeen thousand, one hundred fourteen".