168670166867 has 2 divisors, whose sum is σ = 168670166868. Its totient is φ = 168670166866.

The previous prime is 168670166849. The next prime is 168670166881. The reversal of 168670166867 is 768661076861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168670166867 - 2¹⁸ = 168669904723 is a prime.

It is not a weakly prime, because it can be changed into another prime (168670166267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84335083433 + 84335083434.

It is an arithmetic number, because the mean of its divisors is an integer number (84335083434).

Almost surely, 2^168670166867 is an apocalyptic number.

168670166867 is a deficient number, since it is larger than the sum of its proper divisors (1).

168670166867 is an equidigital number, since it uses as much as digits as its factorization.

168670166867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24385536, while the sum is 62.

The spelling of 168670166867 in words is "one hundred sixty-eight billion, six hundred seventy million, one hundred sixty-six thousand, eight hundred sixty-seven".