18208303577092 has 6 divisors (see below), whose sum is σ = 31864531259918. Its totient is φ = 9104151788544.

The previous prime is 18208303577081. The next prime is 18208303577143. The reversal of 18208303577092 is 29077530380281.

It can be written as a sum of positive squares in only one way, i.e., 10406650172356 + 7801653404736 = 3225934^2 + 2793144^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2276037947133 + ... + 2276037947140.

Almost surely, 2^{18208303577092} is an apocalyptic number.

It is an amenable number.

18208303577092 is a deficient number, since it is larger than the sum of its proper divisors (13656227682826).

18208303577092 is a wasteful number, since it uses less digits than its factorization.

18208303577092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4552075894277 (or 4552075894275 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 18208303577092 in words is "eighteen trillion, two hundred eight billion, three hundred three million, five hundred seventy-seven thousand, ninety-two".