18851336230 has 16 divisors (see below), whose sum is σ = 34191433584. Its totient is φ = 7482972640.

The previous prime is 18851336213. The next prime is 18851336237. The reversal of 18851336230 is 3263315881.

It is a super-2 number, since 2×18851336230² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18851336237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7193857 + ... + 7196476.

It is an arithmetic number, because the mean of its divisors is an integer number (2136964599).

Almost surely, 2^18851336230 is an apocalyptic number.

18851336230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18851336230 is a deficient number, since it is larger than the sum of its proper divisors (15340097354).

18851336230 is a wasteful number, since it uses less digits than its factorization.

18851336230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14390471.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 18851336230 in words is "eighteen billion, eight hundred fifty-one million, three hundred thirty-six thousand, two hundred thirty".