18068344930 has 32 divisors (see below), whose sum is σ = 33026849280. Its totient is φ = 7115496960.

The previous prime is 18068344913. The next prime is 18068344951. The reversal of 18068344930 is 3944386081.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1387791 + ... + 1400749.

It is an arithmetic number, because the mean of its divisors is an integer number (1032089040).

Almost surely, 2^18068344930 is an apocalyptic number.

18068344930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18068344930 is a deficient number, since it is larger than the sum of its proper divisors (14958504350).

18068344930 is a wasteful number, since it uses less digits than its factorization.

18068344930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15114.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 18068344930 in words is "eighteen billion, sixty-eight million, three hundred forty-four thousand, nine hundred thirty".