5661258167 has 2 divisors, whose sum is σ = 5661258168. Its totient is φ = 5661258166.

The previous prime is 5661258137. The next prime is 5661258193. The reversal of 5661258167 is 7618521665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5661258167 - 2¹⁰ = 5661257143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5661258137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830629083 + 2830629084.

It is an arithmetic number, because the mean of its divisors is an integer number (2830629084).

Almost surely, 2^5661258167 is an apocalyptic number.

5661258167 is a deficient number, since it is larger than the sum of its proper divisors (1).

5661258167 is an equidigital number, since it uses as much as digits as its factorization.

5661258167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 47.

The square root of 5661258167 is about 75241.3328364138. The cubic root of 5661258167 is about 1782.2596987069.

The spelling of 5661258167 in words is "five billion, six hundred sixty-one million, two hundred fifty-eight thousand, one hundred sixty-seven".