163245490543 has 2 divisors, whose sum is σ = 163245490544. Its totient is φ = 163245490542.

The previous prime is 163245490517. The next prime is 163245490591. The reversal of 163245490543 is 345094542361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163245490543 - 2⁵ = 163245490511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163245490493 and 163245490502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163245490843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81622745271 + 81622745272.

It is an arithmetic number, because the mean of its divisors is an integer number (81622745272).

Almost surely, 2^163245490543 is an apocalyptic number.

163245490543 is a deficient number, since it is larger than the sum of its proper divisors (1).

163245490543 is an equidigital number, since it uses as much as digits as its factorization.

163245490543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 163245490543 in words is "one hundred sixty-three billion, two hundred forty-five million, four hundred ninety thousand, five hundred forty-three".