18806875574394 has 8 divisors (see below), whose sum is σ = 37613751148800. Its totient is φ = 6268958524796.

The previous prime is 18806875574371. The next prime is 18806875574419. The reversal of 18806875574394 is 49347557860881.

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

18806875574394 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1567239631194 + ... + 1567239631205.

It is an arithmetic number, because the mean of its divisors is an integer number (4701718893600).

Almost surely, 2^{18806875574394} is an apocalyptic number.

18806875574394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18806875574394 is a wasteful number, since it uses less digits than its factorization.

18806875574394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134479262404.

The product of its (nonzero) digits is 1625702400, while the sum is 75.

The spelling of 18806875574394 in words is "eighteen trillion, eight hundred six billion, eight hundred seventy-five million, five hundred seventy-four thousand, three hundred ninety-four".