18061304830 has 32 divisors (see below), whose sum is σ = 33321456000. Its totient is φ = 7044468480.

The previous prime is 18061304819. The next prime is 18061304881. The reversal of 18061304830 is 3840316081.

It is a congruent number.

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, 808572 + ... + 830608.

It is an arithmetic number, because the mean of its divisors is an integer number (1041295500).

Almost surely, 2^18061304830 is an apocalyptic number.

18061304830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18061304830 is a deficient number, since it is larger than the sum of its proper divisors (15260151170).

18061304830 is a wasteful number, since it uses less digits than its factorization.

18061304830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24084.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 18061304830 in words is "eighteen billion, sixty-one million, three hundred four thousand, eight hundred thirty".