18299376608 has 24 divisors (see below), whose sum is σ = 36564616872. Its totient is φ = 9013124736.

The previous prime is 18299376581. The next prime is 18299376631. The reversal of 18299376608 is 80667399281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4265435 + ... + 4269722.

It is an arithmetic number, because the mean of its divisors is an integer number (1523525703).

Almost surely, 2^18299376608 is an apocalyptic number.

It is an amenable number.

18299376608 is a deficient number, since it is larger than the sum of its proper divisors (18265240264).

18299376608 is an equidigital number, since it uses as much as digits as its factorization.

18299376608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8535234 (or 8535226 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 18299376608 in words is "eighteen billion, two hundred ninety-nine million, three hundred seventy-six thousand, six hundred eight".