11669617671 has 8 divisors (see below), whose sum is σ = 15603569520. Its totient is φ = 7757705472.

The previous prime is 11669617643. The next prime is 11669617759. The reversal of 11669617671 is 17671696611.

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

It is not a de Polignac number, because 11669617671 - 2⁹ = 11669617159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11669617621) 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, 5508676 + ... + 5510793.

It is an arithmetic number, because the mean of its divisors is an integer number (1950446190).

Almost surely, 2^11669617671 is an apocalyptic number.

11669617671 is a deficient number, since it is larger than the sum of its proper divisors (3933951849).

11669617671 is a wasteful number, since it uses less digits than its factorization.

11669617671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11019825.

The product of its digits is 571536, while the sum is 51.

The spelling of 11669617671 in words is "eleven billion, six hundred sixty-nine million, six hundred seventeen thousand, six hundred seventy-one".