118173000169 has 9 divisors (see below), whose sum is σ = 137469350487. Its totient is φ = 101289080424.

The previous prime is 118173000157. The next prime is 118173000193. The reversal of 118173000169 is 961000371811.

The square root of 118173000169 is 343763.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18329639769 + 99843360400 = 135387^2 + 315980^2 .

It is not a de Polignac number, because 118173000169 - 2³⁵ = 83813261801 is a prime.

It is a super-2 number, since 2×118173000169² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (118173000109) 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 8 ways as a sum of consecutive naturals, for example, 2381787 + ... + 2430895.

Almost surely, 2^118173000169 is an apocalyptic number.

118173000169 is the 343763-rd square number.

118173000169 is the 171882-nd centered octagonal number.

It is an amenable number.

118173000169 is a deficient number, since it is larger than the sum of its proper divisors (19296350318).

118173000169 is an frugal number, since it uses more digits than its factorization.

118173000169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98232 (or 49116 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 118173000169 in words is "one hundred eighteen billion, one hundred seventy-three million, one hundred sixty-nine", and thus it is an aban number.