207013173173 has 16 divisors (see below), whose sum is σ = 219657661440. Its totient is φ = 195089713920.

The previous prime is 207013173139. The next prime is 207013173187. The reversal of 207013173173 is 371371310702.

It is a de Polignac number, because none of the positive numbers 2^k-207013173173 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 (207013173373) 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, 1231061 + ... + 1389077.

It is an arithmetic number, because the mean of its divisors is an integer number (13728603840).

Almost surely, 2^207013173173 is an apocalyptic number.

It is an amenable number.

207013173173 is a deficient number, since it is larger than the sum of its proper divisors (12644488267).

207013173173 is an equidigital number, since it uses as much as digits as its factorization.

207013173173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158265 (or 158227 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 35.

Adding to 207013173173 its reverse (371371310702), we get a palindrome (578384483875).

The spelling of 207013173173 in words is "two hundred seven billion, thirteen million, one hundred seventy-three thousand, one hundred seventy-three".