11676843616671 has 6 divisors (see below), whose sum is σ = 16866551890760. Its totient is φ = 7784562411108.

The previous prime is 11676843616663. The next prime is 11676843616693. The reversal of 11676843616671 is 17661634867611.

11676843616671 is a `hidden beast` number, since 1 + 1 + 6 + 7 + 6 + 8 + 4 + 3 + 616 + 6 + 7 + 1 = 666.

It is not a de Polignac number, because 11676843616671 - 2³ = 11676843616663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11676843616599 and 11676843616608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11676843516671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 648713534251 + ... + 648713534268.

Almost surely, 2^{11676843616671} is an apocalyptic number.

11676843616671 is a deficient number, since it is larger than the sum of its proper divisors (5189708274089).

11676843616671 is a wasteful number, since it uses less digits than its factorization.

11676843616671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297427068525 (or 1297427068522 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 63.

The spelling of 11676843616671 in words is "eleven trillion, six hundred seventy-six billion, eight hundred forty-three million, six hundred sixteen thousand, six hundred seventy-one".