472166171 has 2 divisors, whose sum is σ = 472166172. Its totient is φ = 472166170.

The previous prime is 472166161. The next prime is 472166243. The reversal of 472166171 is 171661274.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472166171 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (472166141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236083085 + 236083086.

It is an arithmetic number, because the mean of its divisors is an integer number (236083086).

Almost surely, 2^472166171 is an apocalyptic number.

472166171 is a deficient number, since it is larger than the sum of its proper divisors (1).

472166171 is an equidigital number, since it uses as much as digits as its factorization.

472166171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 35.

The square root of 472166171 is about 21729.3849659856. The cubic root of 472166171 is about 778.6906429496.

The spelling of 472166171 in words is "four hundred seventy-two million, one hundred sixty-six thousand, one hundred seventy-one".