6866420167 has 2 divisors, whose sum is σ = 6866420168. Its totient is φ = 6866420166.

The previous prime is 6866420147. The next prime is 6866420191. The reversal of 6866420167 is 7610246686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6866420167 - 2²³ = 6858031559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6866420107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3433210083 + 3433210084.

It is an arithmetic number, because the mean of its divisors is an integer number (3433210084).

Almost surely, 2^6866420167 is an apocalyptic number.

6866420167 is a deficient number, since it is larger than the sum of its proper divisors (1).

6866420167 is an equidigital number, since it uses as much as digits as its factorization.

6866420167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 6866420167 is about 82863.8652670753. The cubic root of 6866420167 is about 1900.6849023877.

It can be divided in two parts, 68664 and 20167, that added together give a triangular number (88831 = T₄₂₁).

The spelling of 6866420167 in words is "six billion, eight hundred sixty-six million, four hundred twenty thousand, one hundred sixty-seven".