5661167 has 2 divisors, whose sum is σ = 5661168. Its totient is φ = 5661166.

The previous prime is 5661163. The next prime is 5661169. The reversal of 5661167 is 7611665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5661167 - 2² = 5661163 is a prime.

It is a super-3 number, since 3×5661167³ (a number of 21 digits) contains 333 as substring.

Together with 5661169, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5661163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830583 + 2830584.

It is an arithmetic number, because the mean of its divisors is an integer number (2830584).

Almost surely, 2^5661167 is an apocalyptic number.

5661167 is a deficient number, since it is larger than the sum of its proper divisors (1).

5661167 is an equidigital number, since it uses as much as digits as its factorization.

5661167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 5661167 is about 2379.3207013768. The cubic root of 5661167 is about 178.2250131685.

The spelling of 5661167 in words is "five million, six hundred sixty-one thousand, one hundred sixty-seven".