20182618019194 has 8 divisors (see below), whose sum is σ = 30586029369588. Its totient is φ = 9987274896000.

The previous prime is 20182618019183. The next prime is 20182618019209. The reversal of 20182618019194 is 49191081628102.

It can be written as a sum of positive squares in 2 ways, for example, as 19767476199969 + 415141819225 = 4446063^2 + 644315^2 .

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

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, 52017056557 + ... + 52017056944.

Almost surely, 2^{20182618019194} is an apocalyptic number.

20182618019194 is a deficient number, since it is larger than the sum of its proper divisors (10403411350394).

20182618019194 is a wasteful number, since it uses less digits than its factorization.

20182618019194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104034113600.

The product of its (nonzero) digits is 497664, while the sum is 52.

The spelling of 20182618019194 in words is "twenty trillion, one hundred eighty-two billion, six hundred eighteen million, nineteen thousand, one hundred ninety-four".