1660364511271 has 8 divisors (see below), whose sum is σ = 1759901289264. Its totient is φ = 1561035319680.

The previous prime is 1660364511269. The next prime is 1660364511293. The reversal of 1660364511271 is 1721154630661.

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

It is not a de Polignac number, because 1660364511271 - 2¹ = 1660364511269 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 (1660364511241) 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, 51880125 + ... + 51912118.

It is an arithmetic number, because the mean of its divisors is an integer number (219987661158).

Almost surely, 2^{1660364511271} is an apocalyptic number.

1660364511271 is a deficient number, since it is larger than the sum of its proper divisors (99536777993).

1660364511271 is a wasteful number, since it uses less digits than its factorization.

1660364511271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103793201.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 1660364511271 in words is "one trillion, six hundred sixty billion, three hundred sixty-four million, five hundred eleven thousand, two hundred seventy-one".