18946818098 has 16 divisors (see below), whose sum is σ = 30610378176. Its totient is φ = 8743548240.

The previous prime is 18946818089. The next prime is 18946818109. The reversal of 18946818098 is 89081864981.

It is a self number, because there is not a number n which added to its sum of digits gives 18946818098.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176363 + ... + 262673.

It is an arithmetic number, because the mean of its divisors is an integer number (1913148636).

Almost surely, 2^18946818098 is an apocalyptic number.

18946818098 is a deficient number, since it is larger than the sum of its proper divisors (11663560078).

18946818098 is a wasteful number, since it uses less digits than its factorization.

18946818098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94769.

The product of its (nonzero) digits is 7962624, while the sum is 62.

The spelling of 18946818098 in words is "eighteen billion, nine hundred forty-six million, eight hundred eighteen thousand, ninety-eight".