18046372982 has 16 divisors (see below), whose sum is σ = 29535164352. Its totient is φ = 8201581320.

The previous prime is 18046372963. The next prime is 18046372991. The reversal of 18046372982 is 28927364081.

It is a self number, because there is not a number n which added to its sum of digits gives 18046372982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81893 + ... + 206879.

It is an arithmetic number, because the mean of its divisors is an integer number (1845947772).

Almost surely, 2^18046372982 is an apocalyptic number.

18046372982 is a deficient number, since it is larger than the sum of its proper divisors (11488791370).

18046372982 is a wasteful number, since it uses less digits than its factorization.

18046372982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131563.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 18046372982 in words is "eighteen billion, forty-six million, three hundred seventy-two thousand, nine hundred eighty-two".