18067980322 has 8 divisors (see below), whose sum is σ = 30973680576. Its totient is φ = 7743420132.

The previous prime is 18067980313. The next prime is 18067980323. The reversal of 18067980322 is 22308976081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (18067980323) 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, 645284998 + ... + 645285025.

It is an arithmetic number, because the mean of its divisors is an integer number (3871710072).

Almost surely, 2^18067980322 is an apocalyptic number.

18067980322 is a deficient number, since it is larger than the sum of its proper divisors (12905700254).

18067980322 is a wasteful number, since it uses less digits than its factorization.

18067980322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290570032.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 18067980322 in words is "eighteen billion, sixty-seven million, nine hundred eighty thousand, three hundred twenty-two".