18350168350 has 12 divisors (see below), whose sum is σ = 34131313224. Its totient is φ = 7340067320.

The previous prime is 18350168201. The next prime is 18350168393. The reversal of 18350168350 is 5386105381.

18350168350 is a modest number, since divided by 168350 gives 18350 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 183501634 + ... + 183501733.

It is an arithmetic number, because the mean of its divisors is an integer number (2844276102).

Almost surely, 2^18350168350 is an apocalyptic number.

18350168350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18350168350 is a deficient number, since it is larger than the sum of its proper divisors (15781144874).

18350168350 is a wasteful number, since it uses less digits than its factorization.

18350168350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367003379 (or 367003374 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 18350168350 in words is "eighteen billion, three hundred fifty million, one hundred sixty-eight thousand, three hundred fifty".