18334006858 has 4 divisors (see below), whose sum is σ = 27501010290. Its totient is φ = 9167003428.

The previous prime is 18334006811. The next prime is 18334006877. The reversal of 18334006858 is 85860043381.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17997027409 + 336979449 = 134153^2 + 18357^2 .

It is a super-2 number, since 2×18334006858² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4583501713 + ... + 4583501716.

Almost surely, 2^18334006858 is an apocalyptic number.

18334006858 is a deficient number, since it is larger than the sum of its proper divisors (9167003432).

18334006858 is an equidigital number, since it uses as much as digits as its factorization.

18334006858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9167003431.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 18334006858 in words is "eighteen billion, three hundred thirty-four million, six thousand, eight hundred fifty-eight".