201885494669173 has 8 divisors (see below), whose sum is σ = 231130353671360. Its totient is φ = 172741654179360.

The previous prime is 201885494669167. The next prime is 201885494669191. The reversal of 201885494669173 is 371966494588102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201885494669173 - 2²⁵ = 201885461114741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201885494669096 and 201885494669105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201885494669773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25254623808 + ... + 25254631801.

It is an arithmetic number, because the mean of its divisors is an integer number (28891294208920).

It is a 1-persistent number, because it is pandigital, but 2⋅201885494669173 = 403770989338346 is not.

Almost surely, 2^{201885494669173} is an apocalyptic number.

It is an amenable number.

201885494669173 is a deficient number, since it is larger than the sum of its proper divisors (29244859002187).

201885494669173 is an equidigital number, since it uses as much as digits as its factorization.

201885494669173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50509256187.

The product of its (nonzero) digits is 627056640, while the sum is 73.

The spelling of 201885494669173 in words is "two hundred one trillion, eight hundred eighty-five billion, four hundred ninety-four million, six hundred sixty-nine thousand, one hundred seventy-three".