16247848091 has 2 divisors, whose sum is σ = 16247848092. Its totient is φ = 16247848090.

The previous prime is 16247848087. The next prime is 16247848109. The reversal of 16247848091 is 19084874261.

Together with next prime (16247848109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16247848091 - 2² = 16247848087 is a prime.

It is not a weakly prime, because it can be changed into another prime (16247848391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8123924045 + 8123924046.

It is an arithmetic number, because the mean of its divisors is an integer number (8123924046).

Almost surely, 2^16247848091 is an apocalyptic number.

16247848091 is a deficient number, since it is larger than the sum of its proper divisors (1).

16247848091 is an equidigital number, since it uses as much as digits as its factorization.

16247848091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 16247848091 in words is "sixteen billion, two hundred forty-seven million, eight hundred forty-eight thousand, ninety-one".