18030773866 has 16 divisors (see below), whose sum is σ = 30912076800. Its totient is φ = 7726929840.

The previous prime is 18030773863. The next prime is 18030773879. The reversal of 18030773866 is 66837703081.

It is not an unprimeable number, because it can be changed into a prime (18030773861) 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, 209796 + ... + 282976.

It is an arithmetic number, because the mean of its divisors is an integer number (1932004800).

Almost surely, 2^18030773866 is an apocalyptic number.

18030773866 is a deficient number, since it is larger than the sum of its proper divisors (12881302934).

18030773866 is a wasteful number, since it uses less digits than its factorization.

18030773866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90789.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 18030773866 in words is "eighteen billion, thirty million, seven hundred seventy-three thousand, eight hundred sixty-six".