18190424673 has 12 divisors (see below), whose sum is σ = 26277488640. Its totient is φ = 12125827896.

The previous prime is 18190424671. The next prime is 18190424717. The reversal of 18190424673 is 37642409181.

18190424673 is a `hidden beast` number, since 1 + 81 + 90 + 424 + 67 + 3 = 666.

It is not a de Polignac number, because 18190424673 - 2¹ = 18190424671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18190424671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15940 + ... + 191402.

It is an arithmetic number, because the mean of its divisors is an integer number (2189790720).

Almost surely, 2^18190424673 is an apocalyptic number.

It is an amenable number.

18190424673 is a deficient number, since it is larger than the sum of its proper divisors (8087063967).

18190424673 is a wasteful number, since it uses less digits than its factorization.

18190424673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186988 (or 186985 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 18190424673 in words is "eighteen billion, one hundred ninety million, four hundred twenty-four thousand, six hundred seventy-three".