1660271324263 has 8 divisors (see below), whose sum is σ = 1790279734320. Its totient is φ = 1534525485120.

The previous prime is 1660271324249. The next prime is 1660271324267. The reversal of 1660271324263 is 3624231720661.

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-1660271324263 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 (1660271324267) 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, 1065641920 + ... + 1065643477.

It is an arithmetic number, because the mean of its divisors is an integer number (223784966790).

Almost surely, 2^{1660271324263} is an apocalyptic number.

1660271324263 is a deficient number, since it is larger than the sum of its proper divisors (130008410057).

1660271324263 is a wasteful number, since it uses less digits than its factorization.

1660271324263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131285457.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 1660271324263 in words is "one trillion, six hundred sixty billion, two hundred seventy-one million, three hundred twenty-four thousand, two hundred sixty-three".