18083171050 has 96 divisors (see below), whose sum is σ = 39108925440. Its totient is φ = 6092587200.

The previous prime is 18083171003. The next prime is 18083171053. The reversal of 18083171050 is 5017138081.

It is a junction number, because it is equal to n+sod(n) for n = 18083170997 and 18083171015.

It is not an unprimeable number, because it can be changed into a prime (18083171053) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 8920137 + ... + 8922163.

It is an arithmetic number, because the mean of its divisors is an integer number (407384640).

Almost surely, 2^18083171050 is an apocalyptic number.

18083171050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18083171050 is an abundant number, since it is smaller than the sum of its proper divisors (21025754390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18083171050 is a wasteful number, since it uses less digits than its factorization.

18083171050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476 (or 2471 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 34.

The spelling of 18083171050 in words is "eighteen billion, eighty-three million, one hundred seventy-one thousand, fifty".