16552569013 has 2 divisors, whose sum is σ = 16552569014. Its totient is φ = 16552569012.

The previous prime is 16552568881. The next prime is 16552569031. The reversal of 16552569013 is 31096525561.

Together with next prime (16552569031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15709363569 + 843205444 = 125337^2 + 29038^2 .

It is an emirp because it is prime and its reverse (31096525561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16552569013 - 2²⁵ = 16519014581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16552569053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8276284506 + 8276284507.

It is an arithmetic number, because the mean of its divisors is an integer number (8276284507).

Almost surely, 2^16552569013 is an apocalyptic number.

It is an amenable number.

16552569013 is a deficient number, since it is larger than the sum of its proper divisors (1).

16552569013 is an equidigital number, since it uses as much as digits as its factorization.

16552569013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 43.

The spelling of 16552569013 in words is "sixteen billion, five hundred fifty-two million, five hundred sixty-nine thousand, thirteen".