346166081 has 2 divisors, whose sum is σ = 346166082. Its totient is φ = 346166080.

The previous prime is 346166021. The next prime is 346166083. The reversal of 346166081 is 180661643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345365056 + 801025 = 18584^2 + 895^2 .

It is a cyclic number.

It is not a de Polignac number, because 346166081 - 2¹⁴ = 346149697 is a prime.

It is a super-2 number, since 2×346166081² = 239661911269797122, which contains 22 as substring.

Together with 346166083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (346166083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173083040 + 173083041.

It is an arithmetic number, because the mean of its divisors is an integer number (173083041).

Almost surely, 2^346166081 is an apocalyptic number.

It is an amenable number.

346166081 is a deficient number, since it is larger than the sum of its proper divisors (1).

346166081 is an equidigital number, since it uses as much as digits as its factorization.

346166081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 346166081 is about 18605.5389870866. The cubic root of 346166081 is about 702.1472034603.

The spelling of 346166081 in words is "three hundred forty-six million, one hundred sixty-six thousand, eighty-one".