163078543 has 4 divisors (see below), whose sum is σ = 163761120. Its totient is φ = 162395968.

The previous prime is 163078523. The next prime is 163078567. The reversal of 163078543 is 345870361.

163078543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345870361 = 6217 ⋅55633.

It is a cyclic number.

It is not a de Polignac number, because 163078543 - 2⁵ = 163078511 is a prime.

It is a super-2 number, since 2×163078543² = 53189222374005698, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163078523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340930 + ... + 341407.

It is an arithmetic number, because the mean of its divisors is an integer number (40940280).

Almost surely, 2^163078543 is an apocalyptic number.

163078543 is a deficient number, since it is larger than the sum of its proper divisors (682577).

163078543 is an equidigital number, since it uses as much as digits as its factorization.

163078543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682576.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 163078543 is about 12770.2209456219. The cubic root of 163078543 is about 546.3432824058.

The spelling of 163078543 in words is "one hundred sixty-three million, seventy-eight thousand, five hundred forty-three".