667410167 has 2 divisors, whose sum is σ = 667410168. Its totient is φ = 667410166.

The previous prime is 667410143. The next prime is 667410173. The reversal of 667410167 is 761014766.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-667410167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 667410167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667410137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333705083 + 333705084.

It is an arithmetic number, because the mean of its divisors is an integer number (333705084).

Almost surely, 2^667410167 is an apocalyptic number.

667410167 is a deficient number, since it is larger than the sum of its proper divisors (1).

667410167 is an equidigital number, since it uses as much as digits as its factorization.

667410167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 667410167 is about 25834.2827847030. The cubic root of 667410167 is about 873.9050977672.

The spelling of 667410167 in words is "six hundred sixty-seven million, four hundred ten thousand, one hundred sixty-seven".