18814618097 has 8 divisors (see below), whose sum is σ = 21732393312. Its totient is φ = 16098068800.

The previous prime is 18814618061. The next prime is 18814618099. The reversal of 18814618097 is 79081641881.

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

It is not a de Polignac number, because 18814618097 - 2¹⁸ = 18814355953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18814618099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50306279 + ... + 50306652.

It is an arithmetic number, because the mean of its divisors is an integer number (2716549164).

Almost surely, 2^18814618097 is an apocalyptic number.

18814618097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

18814618097 is a deficient number, since it is larger than the sum of its proper divisors (2917775215).

18814618097 is a wasteful number, since it uses less digits than its factorization.

18814618097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100612959.

The product of its (nonzero) digits is 774144, while the sum is 53.

The spelling of 18814618097 in words is "eighteen billion, eight hundred fourteen million, six hundred eighteen thousand, ninety-seven".