201660313 has 8 divisors (see below), whose sum is σ = 203097600. Its totient is φ = 200228448.

The previous prime is 201660299. The next prime is 201660317. The reversal of 201660313 is 313066102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201660313 is a prime.

It is a super-3 number, since 3×201660313³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201660317) 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, 96720 + ... + 98782.

It is an arithmetic number, because the mean of its divisors is an integer number (25387200).

Almost surely, 2^201660313 is an apocalyptic number.

It is an amenable number.

201660313 is a deficient number, since it is larger than the sum of its proper divisors (1437287).

201660313 is a wasteful number, since it uses less digits than its factorization.

201660313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 201660313 is about 14200.7152284665. The cubic root of 201660313 is about 586.4173517014.

The spelling of 201660313 in words is "two hundred one million, six hundred sixty thousand, three hundred thirteen".