11656116211606 has 4 divisors (see below), whose sum is σ = 17484174317412. Its totient is φ = 5828058105802.

The previous prime is 11656116211573. The next prime is 11656116211613. The reversal of 11656116211606 is 60611261165611.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2914029052900 + ... + 2914029052903.

It is an arithmetic number, because the mean of its divisors is an integer number (4371043579353).

Almost surely, 2^{11656116211606} is an apocalyptic number.

11656116211606 is a deficient number, since it is larger than the sum of its proper divisors (5828058105806).

11656116211606 is an equidigital number, since it uses as much as digits as its factorization.

11656116211606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5828058105805.

The product of its (nonzero) digits is 77760, while the sum is 43.

The spelling of 11656116211606 in words is "eleven trillion, six hundred fifty-six billion, one hundred sixteen million, two hundred eleven thousand, six hundred six".