16241208881 has 2 divisors, whose sum is σ = 16241208882. Its totient is φ = 16241208880.

The previous prime is 16241208821. The next prime is 16241208883. The reversal of 16241208881 is 18880214261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16241208481 + 400 = 127441^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 16241208881 - 2²⁶ = 16174100017 is a prime.

It is a super-2 number, since 2×16241208881² (a number of 21 digits) contains 22 as substring.

Together with 16241208883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16241208883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8120604440 + 8120604441.

It is an arithmetic number, because the mean of its divisors is an integer number (8120604441).

Almost surely, 2^16241208881 is an apocalyptic number.

It is an amenable number.

16241208881 is a deficient number, since it is larger than the sum of its proper divisors (1).

16241208881 is an equidigital number, since it uses as much as digits as its factorization.

16241208881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49152, while the sum is 41.

The spelling of 16241208881 in words is "sixteen billion, two hundred forty-one million, two hundred eight thousand, eight hundred eighty-one".