5667609671 has 4 divisors (see below), whose sum is σ = 5719606200. Its totient is φ = 5615613144.

The previous prime is 5667609667. The next prime is 5667609683. The reversal of 5667609671 is 1769067665.

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

It is a cyclic number.

It is not a de Polignac number, because 5667609671 - 2² = 5667609667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5667609611) 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, 25998101 + ... + 25998318.

It is an arithmetic number, because the mean of its divisors is an integer number (1429901550).

Almost surely, 2^5667609671 is an apocalyptic number.

5667609671 is a deficient number, since it is larger than the sum of its proper divisors (51996529).

5667609671 is a wasteful number, since it uses less digits than its factorization.

5667609671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51996528.

The product of its (nonzero) digits is 2857680, while the sum is 53.

The square root of 5667609671 is about 75283.5285504074. The cubic root of 5667609671 is about 1782.9259698492.

The spelling of 5667609671 in words is "five billion, six hundred sixty-seven million, six hundred nine thousand, six hundred seventy-one".