18092097992 has 16 divisors (see below), whose sum is σ = 35092431900. Its totient is φ = 8734116160.

The previous prime is 18092097979. The next prime is 18092098019. The reversal of 18092097992 is 29979029081.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16482964996 + 1609132996 = 128386^2 + 40114^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38991359 + ... + 38991822.

Almost surely, 2^18092097992 is an apocalyptic number.

It is an amenable number.

18092097992 is a deficient number, since it is larger than the sum of its proper divisors (17000333908).

18092097992 is a wasteful number, since it uses less digits than its factorization.

18092097992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77983216 (or 77983212 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 56.

The spelling of 18092097992 in words is "eighteen billion, ninety-two million, ninety-seven thousand, nine hundred ninety-two".