163049188943 has 2 divisors, whose sum is σ = 163049188944. Its totient is φ = 163049188942.

The previous prime is 163049188901. The next prime is 163049188957. The reversal of 163049188943 is 349881940361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163049188943 - 2³⁶ = 94329712207 is a prime.

It is a super-2 number, since 2×163049188943² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163049188993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81524594471 + 81524594472.

It is an arithmetic number, because the mean of its divisors is an integer number (81524594472).

Almost surely, 2^163049188943 is an apocalyptic number.

163049188943 is a deficient number, since it is larger than the sum of its proper divisors (1).

163049188943 is an equidigital number, since it uses as much as digits as its factorization.

163049188943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 163049188943 in words is "one hundred sixty-three billion, forty-nine million, one hundred eighty-eight thousand, nine hundred forty-three".