18858606322 has 8 divisors (see below), whose sum is σ = 28317595356. Its totient is φ = 9419407872.

The previous prime is 18858606293. The next prime is 18858606367. The reversal of 18858606322 is 22360685881.

It can be written as a sum of positive squares in 2 ways, for example, as 17883980361 + 974625961 = 133731^2 + 31219^2 .

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

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, 4945263 + ... + 4949074.

Almost surely, 2^18858606322 is an apocalyptic number.

18858606322 is a deficient number, since it is larger than the sum of its proper divisors (9458989034).

18858606322 is an equidigital number, since it uses as much as digits as its factorization.

18858606322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9895292.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 18858606322 in words is "eighteen billion, eight hundred fifty-eight million, six hundred six thousand, three hundred twenty-two".