18671673884 has 12 divisors (see below), whose sum is σ = 34096100304. Its totient is φ = 8929930944.

The previous prime is 18671673883. The next prime is 18671673919. The reversal of 18671673884 is 48837617681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18671673883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101476397 + ... + 101476580.

It is an arithmetic number, because the mean of its divisors is an integer number (2841341692).

Almost surely, 2^18671673884 is an apocalyptic number.

It is an amenable number.

18671673884 is a deficient number, since it is larger than the sum of its proper divisors (15424426420).

18671673884 is a wasteful number, since it uses less digits than its factorization.

18671673884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202953004 (or 202953002 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 59.

The spelling of 18671673884 in words is "eighteen billion, six hundred seventy-one million, six hundred seventy-three thousand, eight hundred eighty-four".