18310546868 has 12 divisors (see below), whose sum is σ = 32586566880. Its totient is φ = 9000099192.

The previous prime is 18310546819. The next prime is 18310546883. The reversal of 18310546868 is 86864501381.

It is a super-2 number, since 2×18310546868² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 38793296 + ... + 38793767.

It is an arithmetic number, because the mean of its divisors is an integer number (2715547240).

Almost surely, 2^18310546868 is an apocalyptic number.

It is an amenable number.

18310546868 is a deficient number, since it is larger than the sum of its proper divisors (14276020012).

18310546868 is a wasteful number, since it uses less digits than its factorization.

18310546868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77587126 (or 77587124 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 18310546868 in words is "eighteen billion, three hundred ten million, five hundred forty-six thousand, eight hundred sixty-eight".