18900027703 has 16 divisors (see below), whose sum is σ = 20177141760. Its totient is φ = 17674488000.

The previous prime is 18900027689. The next prime is 18900027737. The reversal of 18900027703 is 30772000981.

It is a cyclic number.

It is not a de Polignac number, because 18900027703 - 2³³ = 10310093111 is a prime.

It is a super-2 number, since 2×18900027703² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18900027203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33003 + ... + 197203.

It is an arithmetic number, because the mean of its divisors is an integer number (1261071360).

Almost surely, 2^18900027703 is an apocalyptic number.

18900027703 is a deficient number, since it is larger than the sum of its proper divisors (1277114057).

18900027703 is a wasteful number, since it uses less digits than its factorization.

18900027703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164358.

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 18900027703 in words is "eighteen billion, nine hundred million, twenty-seven thousand, seven hundred three".