18199012814 has 8 divisors (see below), whose sum is σ = 28239847560. Its totient is φ = 8785730296.

The previous prime is 18199012753. The next prime is 18199012817. The reversal of 18199012814 is 41821099181.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18199012817) 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, 156887984 + ... + 156888099.

It is an arithmetic number, because the mean of its divisors is an integer number (3529980945).

Almost surely, 2^18199012814 is an apocalyptic number.

18199012814 is a deficient number, since it is larger than the sum of its proper divisors (10040834746).

18199012814 is a wasteful number, since it uses less digits than its factorization.

18199012814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313776114.

The product of its (nonzero) digits is 41472, while the sum is 44.

The spelling of 18199012814 in words is "eighteen billion, one hundred ninety-nine million, twelve thousand, eight hundred fourteen".