166834351 has 2 divisors, whose sum is σ = 166834352. Its totient is φ = 166834350.

The previous prime is 166834337. The next prime is 166834373. The reversal of 166834351 is 153438661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166834351 - 2⁵ = 166834319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166834351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166834051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83417175 + 83417176.

It is an arithmetic number, because the mean of its divisors is an integer number (83417176).

Almost surely, 2^166834351 is an apocalyptic number.

166834351 is a deficient number, since it is larger than the sum of its proper divisors (1).

166834351 is an equidigital number, since it uses as much as digits as its factorization.

166834351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 166834351 is about 12916.4372409732. The cubic root of 166834351 is about 550.5057067777.

The spelling of 166834351 in words is "one hundred sixty-six million, eight hundred thirty-four thousand, three hundred fifty-one".