163116073 has 8 divisors (see below), whose sum is σ = 165670568. Its totient is φ = 160579584.

The previous prime is 163116059. The next prime is 163116103. The reversal of 163116073 is 370611361.

163116073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 42928704 + 120187369 = 6552^2 + 10963^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163116073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163116973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14365 + ... + 23077.

It is an arithmetic number, because the mean of its divisors is an integer number (20708821).

Almost surely, 2^163116073 is an apocalyptic number.

It is an amenable number.

163116073 is a deficient number, since it is larger than the sum of its proper divisors (2554495).

163116073 is an equidigital number, since it uses as much as digits as its factorization.

163116073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9003.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 163116073 is about 12771.6902953368. The cubic root of 163116073 is about 546.3851900050.

The spelling of 163116073 in words is "one hundred sixty-three million, one hundred sixteen thousand, seventy-three".