163481347 has 2 divisors, whose sum is σ = 163481348. Its totient is φ = 163481346.

The previous prime is 163481249. The next prime is 163481359. The reversal of 163481347 is 743184361.

163481347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163481347 - 2¹⁹ = 162957059 is a prime.

It is not a weakly prime, because it can be changed into another prime (163481387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81740673 + 81740674.

It is an arithmetic number, because the mean of its divisors is an integer number (81740674).

Almost surely, 2^163481347 is an apocalyptic number.

163481347 is a deficient number, since it is larger than the sum of its proper divisors (1).

163481347 is an equidigital number, since it uses as much as digits as its factorization.

163481347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 163481347 is about 12785.9824417211. The cubic root of 163481347 is about 546.7927351937.

The spelling of 163481347 in words is "one hundred sixty-three million, four hundred eighty-one thousand, three hundred forty-seven".