100116173 has 4 divisors (see below), whose sum is σ = 101034780. Its totient is φ = 99197568.

The previous prime is 100116161. The next prime is 100116193. The reversal of 100116173 is 371611001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 371611001 = 233 ⋅1594897.

It can be written as a sum of positive squares in 2 ways, for example, as 52809289 + 47306884 = 7267^2 + 6878^2 .

It is a cyclic number.

It is not a de Polignac number, because 100116173 - 2¹⁴ = 100099789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100116113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459140 + ... + 459357.

It is an arithmetic number, because the mean of its divisors is an integer number (25258695).

Almost surely, 2^100116173 is an apocalyptic number.

It is an amenable number.

100116173 is a deficient number, since it is larger than the sum of its proper divisors (918607).

100116173 is an equidigital number, since it uses as much as digits as its factorization.

100116173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918606.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 100116173 is about 10005.8069639585. The cubic root of 100116173 is about 464.3385562353.

Adding to 100116173 its reverse (371611001), we get a palindrome (471727174).

The spelling of 100116173 in words is "one hundred million, one hundred sixteen thousand, one hundred seventy-three".