11717271636166 has 4 divisors (see below), whose sum is σ = 17575907454252. Its totient is φ = 5858635818082.

The previous prime is 11717271636163. The next prime is 11717271636199. The reversal of 11717271636166 is 66163617271711.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11717271636163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2929317909040 + ... + 2929317909043.

It is an arithmetic number, because the mean of its divisors is an integer number (4393976863563).

Almost surely, 2^{11717271636166} is an apocalyptic number.

11717271636166 is a deficient number, since it is larger than the sum of its proper divisors (5858635818086).

11717271636166 is an equidigital number, since it uses as much as digits as its factorization.

11717271636166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5858635818085.

The product of its digits is 2667168, while the sum is 55.

The spelling of 11717271636166 in words is "eleven trillion, seven hundred seventeen billion, two hundred seventy-one million, six hundred thirty-six thousand, one hundred sixty-six".