18190424684 has 6 divisors (see below), whose sum is σ = 31833243204. Its totient is φ = 9095212340.

The previous prime is 18190424671. The next prime is 18190424717. The reversal of 18190424684 is 48642409181.

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 as a sum of consecutive naturals, namely, 2273803082 + ... + 2273803089.

It is an arithmetic number, because the mean of its divisors is an integer number (5305540534).

Almost surely, 2^18190424684 is an apocalyptic number.

It is an amenable number.

18190424684 is a deficient number, since it is larger than the sum of its proper divisors (13642818520).

18190424684 is a wasteful number, since it uses less digits than its factorization.

18190424684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4547606175 (or 4547606173 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 18190424684 in words is "eighteen billion, one hundred ninety million, four hundred twenty-four thousand, six hundred eighty-four".