8461623167 has 2 divisors, whose sum is σ = 8461623168. Its totient is φ = 8461623166.

The previous prime is 8461623139. The next prime is 8461623187. The reversal of 8461623167 is 7613261648.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8461623167 - 2²⁸ = 8193187711 is a prime.

It is a super-2 number, since 2×8461623167² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8461623127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4230811583 + 4230811584.

It is an arithmetic number, because the mean of its divisors is an integer number (4230811584).

Almost surely, 2^8461623167 is an apocalyptic number.

8461623167 is a deficient number, since it is larger than the sum of its proper divisors (1).

8461623167 is an equidigital number, since it uses as much as digits as its factorization.

8461623167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 8461623167 is about 91987.0815223529. The cubic root of 8461623167 is about 2037.7515248821.

The spelling of 8461623167 in words is "eight billion, four hundred sixty-one million, six hundred twenty-three thousand, one hundred sixty-seven".