162203543 has 2 divisors, whose sum is σ = 162203544. Its totient is φ = 162203542.

The previous prime is 162203537. The next prime is 162203557. The reversal of 162203543 is 345302261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162203543 - 2¹⁴ = 162187159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162209543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81101771 + 81101772.

It is an arithmetic number, because the mean of its divisors is an integer number (81101772).

Almost surely, 2^162203543 is an apocalyptic number.

162203543 is a deficient number, since it is larger than the sum of its proper divisors (1).

162203543 is an equidigital number, since it uses as much as digits as its factorization.

162203543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 162203543 is about 12735.9154755361. The cubic root of 162203543 is about 545.3643922829.

The spelling of 162203543 in words is "one hundred sixty-two million, two hundred three thousand, five hundred forty-three".