11660616723 has 16 divisors (see below), whose sum is σ = 17785214720. Its totient is φ = 6656963616.

The previous prime is 11660616701. The next prime is 11660616733. The reversal of 11660616723 is 32761606611.

It is not a de Polignac number, because 11660616723 - 2¹⁰ = 11660615699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11660616733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237265 + ... + 282162.

It is an arithmetic number, because the mean of its divisors is an integer number (1111575920).

Almost surely, 2^11660616723 is an apocalyptic number.

11660616723 is a deficient number, since it is larger than the sum of its proper divisors (6124597997).

11660616723 is a wasteful number, since it uses less digits than its factorization.

11660616723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520506.

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 11660616723 in words is "eleven billion, six hundred sixty million, six hundred sixteen thousand, seven hundred twenty-three".