82554161563 has 2 divisors, whose sum is σ = 82554161564. Its totient is φ = 82554161562.

The previous prime is 82554161551. The next prime is 82554161597. The reversal of 82554161563 is 36516145528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82554161563 - 2⁹ = 82554161051 is a prime.

It is not a weakly prime, because it can be changed into another prime (82554168563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41277080781 + 41277080782.

It is an arithmetic number, because the mean of its divisors is an integer number (41277080782).

Almost surely, 2^82554161563 is an apocalyptic number.

82554161563 is a deficient number, since it is larger than the sum of its proper divisors (1).

82554161563 is an equidigital number, since it uses as much as digits as its factorization.

82554161563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864000, while the sum is 46.

The spelling of 82554161563 in words is "eighty-two billion, five hundred fifty-four million, one hundred sixty-one thousand, five hundred sixty-three".