201671577317 has 8 divisors (see below), whose sum is σ = 242612424000. Its totient is φ = 163763385984.

The previous prime is 201671577287. The next prime is 201671577377. The reversal of 201671577317 is 713775176102.

201671577317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 201671577317 - 2⁸ = 201671577061 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 (201671577377) 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 7 ways as a sum of consecutive naturals, for example, 758163692 + ... + 758163957.

It is an arithmetic number, because the mean of its divisors is an integer number (30326553000).

Almost surely, 2^201671577317 is an apocalyptic number.

It is an amenable number.

201671577317 is a deficient number, since it is larger than the sum of its proper divisors (40940846683).

201671577317 is a wasteful number, since it uses less digits than its factorization.

201671577317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516327675.

The product of its (nonzero) digits is 432180, while the sum is 47.

The spelling of 201671577317 in words is "two hundred one billion, six hundred seventy-one million, five hundred seventy-seven thousand, three hundred seventeen".