163078963 has 4 divisors (see below), whose sum is σ = 163123560. Its totient is φ = 163034368.

The previous prime is 163078961. The next prime is 163078991. The reversal of 163078963 is 369870361.

163078963 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.

It is a cyclic number.

It is not a de Polignac number, because 163078963 - 2¹ = 163078961 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163078961) 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, 16270 + ... + 24307.

It is an arithmetic number, because the mean of its divisors is an integer number (40780890).

Almost surely, 2^163078963 is an apocalyptic number.

163078963 is a deficient number, since it is larger than the sum of its proper divisors (44597).

163078963 is an equidigital number, since it uses as much as digits as its factorization.

163078963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44596.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 163078963 is about 12770.2373901193. The cubic root of 163078963 is about 546.3437514312.

The spelling of 163078963 in words is "one hundred sixty-three million, seventy-eight thousand, nine hundred sixty-three".