18350183945 has 32 divisors (see below), whose sum is σ = 24888487680. Its totient is φ = 12904980480.

The previous prime is 18350183941. The next prime is 18350183963. The reversal of 18350183945 is 54938105381.

It is not a de Polignac number, because 18350183945 - 2² = 18350183941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18350183945.

It is not an unprimeable number, because it can be changed into a prime (18350183941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34649 + ... + 194681.

It is an arithmetic number, because the mean of its divisors is an integer number (777765240).

Almost surely, 2^18350183945 is an apocalyptic number.

It is an amenable number.

18350183945 is a deficient number, since it is larger than the sum of its proper divisors (6538303735).

18350183945 is a wasteful number, since it uses less digits than its factorization.

18350183945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160145.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 18350183945 in words is "eighteen billion, three hundred fifty million, one hundred eighty-three thousand, nine hundred forty-five".