18214001884 has 24 divisors (see below), whose sum is σ = 34337733920. Its totient is φ = 8403683904.

The previous prime is 18214001881. The next prime is 18214001891. The reversal of 18214001884 is 48810041281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18214001881) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 105337 + ... + 217999.

Almost surely, 2^18214001884 is an apocalyptic number.

It is an amenable number.

18214001884 is a deficient number, since it is larger than the sum of its proper divisors (16123732036).

18214001884 is a wasteful number, since it uses less digits than its factorization.

18214001884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115789 (or 115787 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 37.

The spelling of 18214001884 in words is "eighteen billion, two hundred fourteen million, one thousand, eight hundred eighty-four".