166126351 has 2 divisors, whose sum is σ = 166126352. Its totient is φ = 166126350.

The previous prime is 166126349. The next prime is 166126369. The reversal of 166126351 is 153621661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166126351 - 2¹ = 166126349 is a prime.

Together with 166126349, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166126391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83063175 + 83063176.

It is an arithmetic number, because the mean of its divisors is an integer number (83063176).

Almost surely, 2^166126351 is an apocalyptic number.

166126351 is a deficient number, since it is larger than the sum of its proper divisors (1).

166126351 is an equidigital number, since it uses as much as digits as its factorization.

166126351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 166126351 is about 12889.0011637830. The cubic root of 166126351 is about 549.7258700029.

The spelling of 166126351 in words is "one hundred sixty-six million, one hundred twenty-six thousand, three hundred fifty-one".