16221626467 has 2 divisors, whose sum is σ = 16221626468. Its totient is φ = 16221626466.

The previous prime is 16221626437. The next prime is 16221626497. The reversal of 16221626467 is 76462612261.

It is a balanced prime because it is at equal distance from previous prime (16221626437) and next prime (16221626497).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16221626467 is a prime.

It is not a weakly prime, because it can be changed into another prime (16221626417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8110813233 + 8110813234.

It is an arithmetic number, because the mean of its divisors is an integer number (8110813234).

Almost surely, 2^16221626467 is an apocalyptic number.

16221626467 is a deficient number, since it is larger than the sum of its proper divisors (1).

16221626467 is an equidigital number, since it uses as much as digits as its factorization.

16221626467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The spelling of 16221626467 in words is "sixteen billion, two hundred twenty-one million, six hundred twenty-six thousand, four hundred sixty-seven".