18016792918 has 4 divisors (see below), whose sum is σ = 27025189380. Its totient is φ = 9008396458.

The previous prime is 18016792903. The next prime is 18016792943. The reversal of 18016792918 is 81929761081.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4504198228 + ... + 4504198231.

It is an arithmetic number, because the mean of its divisors is an integer number (6756297345).

Almost surely, 2^18016792918 is an apocalyptic number.

18016792918 is a deficient number, since it is larger than the sum of its proper divisors (9008396462).

18016792918 is an equidigital number, since it uses as much as digits as its factorization.

18016792918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9008396461.

The product of its (nonzero) digits is 435456, while the sum is 52.

The spelling of 18016792918 in words is "eighteen billion, sixteen million, seven hundred ninety-two thousand, nine hundred eighteen".