252194886818 has 8 divisors (see below), whose sum is σ = 432334091712. Its totient is φ = 108083522916.

The previous prime is 252194886793. The next prime is 252194886829. The reversal of 252194886818 is 818688491252.

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, 9006960230 + ... + 9006960257.

It is an arithmetic number, because the mean of its divisors is an integer number (54041761464).

Almost surely, 2^252194886818 is an apocalyptic number.

252194886818 is a deficient number, since it is larger than the sum of its proper divisors (180139204894).

252194886818 is a wasteful number, since it uses less digits than its factorization.

252194886818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18013920496.

The product of its digits is 17694720, while the sum is 62.

The spelling of 252194886818 in words is "two hundred fifty-two billion, one hundred ninety-four million, eight hundred eighty-six thousand, eight hundred eighteen".