100665101173 has 16 divisors (see below), whose sum is σ = 125463815680. Its totient is φ = 78638916096.

The previous prime is 100665101171. The next prime is 100665101189. The reversal of 100665101173 is 371101566001.

It is not a de Polignac number, because 100665101173 - 2¹ = 100665101171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100665101171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6994140 + ... + 7008517.

It is an arithmetic number, because the mean of its divisors is an integer number (7841488480).

Almost surely, 2^100665101173 is an apocalyptic number.

100665101173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

100665101173 is a deficient number, since it is larger than the sum of its proper divisors (24798714507).

100665101173 is a wasteful number, since it uses less digits than its factorization.

100665101173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14002756.

The product of its (nonzero) digits is 3780, while the sum is 31.

Adding to 100665101173 its reverse (371101566001), we get a palindrome (471766667174).

The spelling of 100665101173 in words is "one hundred billion, six hundred sixty-five million, one hundred one thousand, one hundred seventy-three".