18049302663 has 16 divisors (see below), whose sum is σ = 28452103680. Its totient is φ = 9958235616.

The previous prime is 18049302653. The next prime is 18049302683. The reversal of 18049302663 is 36620394081.

It is not a de Polignac number, because 18049302663 - 2⁹ = 18049302151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18049302653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14818195 + ... + 14819412.

It is an arithmetic number, because the mean of its divisors is an integer number (1778256480).

Almost surely, 2^18049302663 is an apocalyptic number.

18049302663 is a deficient number, since it is larger than the sum of its proper divisors (10402801017).

18049302663 is a wasteful number, since it uses less digits than its factorization.

18049302663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29637646.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 18049302663 in words is "eighteen billion, forty-nine million, three hundred two thousand, six hundred sixty-three".