342166291 has 2 divisors, whose sum is σ = 342166292. Its totient is φ = 342166290.

The previous prime is 342166289. The next prime is 342166303. The reversal of 342166291 is 192661243.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (192661243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342166291 - 2¹ = 342166289 is a prime.

Together with 342166289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (342166261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171083145 + 171083146.

It is an arithmetic number, because the mean of its divisors is an integer number (171083146).

Almost surely, 2^342166291 is an apocalyptic number.

342166291 is a deficient number, since it is larger than the sum of its proper divisors (1).

342166291 is an equidigital number, since it uses as much as digits as its factorization.

342166291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 342166291 is about 18497.7374562404. The cubic root of 342166291 is about 699.4323908875.

The spelling of 342166291 in words is "three hundred forty-two million, one hundred sixty-six thousand, two hundred ninety-one".