163372943 has 2 divisors, whose sum is σ = 163372944. Its totient is φ = 163372942.

The previous prime is 163372897. The next prime is 163372973. The reversal of 163372943 is 349273361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163372943 - 2⁶ = 163372879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163372897 and 163372906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163372973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81686471 + 81686472.

It is an arithmetic number, because the mean of its divisors is an integer number (81686472).

Almost surely, 2^163372943 is an apocalyptic number.

163372943 is a deficient number, since it is larger than the sum of its proper divisors (1).

163372943 is an equidigital number, since it uses as much as digits as its factorization.

163372943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 38.

The square root of 163372943 is about 12781.7425650809. The cubic root of 163372943 is about 546.6718495857.

The spelling of 163372943 in words is "one hundred sixty-three million, three hundred seventy-two thousand, nine hundred forty-three".