11601617866 has 8 divisors (see below), whose sum is σ = 17406760320. Its totient is φ = 5799364428.

The previous prime is 11601617861. The next prime is 11601617893. The reversal of 11601617866 is 66871610611.

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

It is not an unprimeable number, because it can be changed into a prime (11601617861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712186 + ... + 728293.

It is an arithmetic number, because the mean of its divisors is an integer number (2175845040).

Almost surely, 2^11601617866 is an apocalyptic number.

11601617866 is a deficient number, since it is larger than the sum of its proper divisors (5805142454).

11601617866 is a wasteful number, since it uses less digits than its factorization.

11601617866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444508.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 11601617866 in words is "eleven billion, six hundred one million, six hundred seventeen thousand, eight hundred sixty-six".