164766671 has 2 divisors, whose sum is σ = 164766672. Its totient is φ = 164766670.

The previous prime is 164766629. The next prime is 164766677. The reversal of 164766671 is 176667461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164766671 - 2¹⁰ = 164765647 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164766677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82383335 + 82383336.

It is an arithmetic number, because the mean of its divisors is an integer number (82383336).

Almost surely, 2^164766671 is an apocalyptic number.

164766671 is a deficient number, since it is larger than the sum of its proper divisors (1).

164766671 is an equidigital number, since it uses as much as digits as its factorization.

164766671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 44.

The square root of 164766671 is about 12836.1470465245. The cubic root of 164766671 is about 548.2219950115.

The spelling of 164766671 in words is "one hundred sixty-four million, seven hundred sixty-six thousand, six hundred seventy-one".