616163 has 4 divisors (see below), whose sum is σ = 637440. Its totient is φ = 594888.

The previous prime is 616157. The next prime is 616169. The reversal of 616163 is 361616.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (616157) and next prime (616169).

It is a cyclic number.

It is not a de Polignac number, because 616163 - 2⁸ = 615907 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10595 + ... + 10652.

It is an arithmetic number, because the mean of its divisors is an integer number (159360).

2⁶¹⁶¹⁶³ is an apocalyptic number.

616163 is a deficient number, since it is larger than the sum of its proper divisors (21277).

616163 is a wasteful number, since it uses less digits than its factorization.

616163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21276.

The product of its digits is 648, while the sum is 23.

The square root of 616163 is about 784.9605085608. The cubic root of 616163 is about 85.0939215571.

Adding to 616163 its reverse (361616), we get a palindrome (977779).

The spelling of 616163 in words is "six hundred sixteen thousand, one hundred sixty-three".