18545077708 has 12 divisors (see below), whose sum is σ = 34362938232. Its totient is φ = 8727095360.

The previous prime is 18545077679. The next prime is 18545077757. The reversal of 18545077708 is 80777054581.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136360798 + ... + 136360933.

It is an arithmetic number, because the mean of its divisors is an integer number (2863578186).

Almost surely, 2^18545077708 is an apocalyptic number.

It is an amenable number.

18545077708 is a deficient number, since it is larger than the sum of its proper divisors (15817860524).

18545077708 is a wasteful number, since it uses less digits than its factorization.

18545077708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272721752 (or 272721750 counting only the distinct ones).

The product of its (nonzero) digits is 2195200, while the sum is 52.

The spelling of 18545077708 in words is "eighteen billion, five hundred forty-five million, seventy-seven thousand, seven hundred eight".