346066221133 has 2 divisors, whose sum is σ = 346066221134. Its totient is φ = 346066221132.

The previous prime is 346066221077. The next prime is 346066221161. The reversal of 346066221133 is 331122660643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321265640809 + 24800580324 = 566803^2 + 157482^2 .

It is a cyclic number.

It is not a de Polignac number, because 346066221133 - 2²¹ = 346064123981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 346066221092 and 346066221101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346066221173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173033110566 + 173033110567.

It is an arithmetic number, because the mean of its divisors is an integer number (173033110567).

Almost surely, 2^346066221133 is an apocalyptic number.

It is an amenable number.

346066221133 is a deficient number, since it is larger than the sum of its proper divisors (1).

346066221133 is an equidigital number, since it uses as much as digits as its factorization.

346066221133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 37.

Adding to 346066221133 its reverse (331122660643), we get a palindrome (677188881776).

The spelling of 346066221133 in words is "three hundred forty-six billion, sixty-six million, two hundred twenty-one thousand, one hundred thirty-three".