163476273481 has 2 divisors, whose sum is σ = 163476273482. Its totient is φ = 163476273480.

The previous prime is 163476273473. The next prime is 163476273533. The reversal of 163476273481 is 184372674361.

It is an a-pointer prime, because the next prime (163476273533) can be obtained adding 163476273481 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132889411600 + 30586861881 = 364540^2 + 174891^2 .

It is a cyclic number.

It is not a de Polignac number, because 163476273481 - 2³ = 163476273473 is a prime.

It is a super-2 number, since 2×163476273481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (163476273451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81738136740 + 81738136741.

It is an arithmetic number, because the mean of its divisors is an integer number (81738136741).

Almost surely, 2^163476273481 is an apocalyptic number.

It is an amenable number.

163476273481 is a deficient number, since it is larger than the sum of its proper divisors (1).

163476273481 is an equidigital number, since it uses as much as digits as its factorization.

163476273481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 52.

The spelling of 163476273481 in words is "one hundred sixty-three billion, four hundred seventy-six million, two hundred seventy-three thousand, four hundred eighty-one".