6634066667 has 2 divisors, whose sum is σ = 6634066668. Its totient is φ = 6634066666.

The previous prime is 6634066643. The next prime is 6634066687. The reversal of 6634066667 is 7666604366.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6634066667 - 2¹⁰ = 6634065643 is a prime.

It is not a weakly prime, because it can be changed into another prime (6634066627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3317033333 + 3317033334.

It is an arithmetic number, because the mean of its divisors is an integer number (3317033334).

Almost surely, 2^6634066667 is an apocalyptic number.

6634066667 is a deficient number, since it is larger than the sum of its proper divisors (1).

6634066667 is an equidigital number, since it uses as much as digits as its factorization.

6634066667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 50.

The square root of 6634066667 is about 81449.7800303966. The cubic root of 6634066667 is about 1878.9992662330. Note that the first 3 decimals are identical.

The spelling of 6634066667 in words is "six billion, six hundred thirty-four million, sixty-six thousand, six hundred sixty-seven".