201660046605403 has 8 divisors (see below), whose sum is σ = 210079916267760. Its totient is φ = 193406907035520.

The previous prime is 201660046605349. The next prime is 201660046605421. The reversal of 201660046605403 is 304506640066102.

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 201660046605403 - 2³⁷ = 201522607651931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201660046605403.

It is not an unprimeable number, because it can be changed into a prime (201660046605473) 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, 41682520650 + ... + 41682525487.

It is an arithmetic number, because the mean of its divisors is an integer number (26259989533470).

Almost surely, 2^{201660046605403} is an apocalyptic number.

201660046605403 is a deficient number, since it is larger than the sum of its proper divisors (8419869662357).

201660046605403 is an equidigital number, since it uses as much as digits as its factorization.

201660046605403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83365046237.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 201660046605403 in words is "two hundred one trillion, six hundred sixty billion, forty-six million, six hundred five thousand, four hundred three".