18060000173 has 2 divisors, whose sum is σ = 18060000174. Its totient is φ = 18060000172.

The previous prime is 18060000097. The next prime is 18060000191. The reversal of 18060000173 is 37100006081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16755490249 + 1304509924 = 129443^2 + 36118^2 .

It is a cyclic number.

It is not a de Polignac number, because 18060000173 - 2¹² = 18059996077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18060003173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9030000086 + 9030000087.

It is an arithmetic number, because the mean of its divisors is an integer number (9030000087).

Almost surely, 2^18060000173 is an apocalyptic number.

It is an amenable number.

18060000173 is a deficient number, since it is larger than the sum of its proper divisors (1).

18060000173 is an equidigital number, since it uses as much as digits as its factorization.

18060000173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The spelling of 18060000173 in words is "eighteen billion, sixty million, one hundred seventy-three", and thus it is an aban number.