16220694411547 has 2 divisors, whose sum is σ = 16220694411548. Its totient is φ = 16220694411546.

The previous prime is 16220694411517. The next prime is 16220694411563. The reversal of 16220694411547 is 74511449602261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16220694411547 - 2¹⁹ = 16220693887259 is a prime.

It is a super-2 number, since 2×16220694411547² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16220694411494 and 16220694411503.

It is not a weakly prime, because it can be changed into another prime (16220694411517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8110347205773 + 8110347205774.

It is an arithmetic number, because the mean of its divisors is an integer number (8110347205774).

Almost surely, 2^{16220694411547} is an apocalyptic number.

16220694411547 is a deficient number, since it is larger than the sum of its proper divisors (1).

16220694411547 is an equidigital number, since it uses as much as digits as its factorization.

16220694411547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 16220694411547 in words is "sixteen trillion, two hundred twenty billion, six hundred ninety-four million, four hundred eleven thousand, five hundred forty-seven".