18480072118 has 16 divisors (see below), whose sum is σ = 28299360096. Its totient is φ = 9047646400.

The previous prime is 18480072113. The next prime is 18480072137. The reversal of 18480072118 is 81127008481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18480072113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119983 + ... + 226618.

It is an arithmetic number, because the mean of its divisors is an integer number (1768710006).

Almost surely, 2^18480072118 is an apocalyptic number.

18480072118 is a deficient number, since it is larger than the sum of its proper divisors (9819287978).

18480072118 is a wasteful number, since it uses less digits than its factorization.

18480072118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347159.

The product of its (nonzero) digits is 28672, while the sum is 40.

The spelling of 18480072118 in words is "eighteen billion, four hundred eighty million, seventy-two thousand, one hundred eighteen".