6616063803 has 32 divisors (see below), whose sum is σ = 9249748992. Its totient is φ = 4201286400.

The previous prime is 6616063801. The next prime is 6616063819. The reversal of 6616063803 is 3083606166.

It is not a de Polignac number, because 6616063803 - 2¹ = 6616063801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6616063801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5573176 + ... + 5574362.

It is an arithmetic number, because the mean of its divisors is an integer number (289054656).

Almost surely, 2^6616063803 is an apocalyptic number.

6616063803 is a deficient number, since it is larger than the sum of its proper divisors (2633685189).

6616063803 is a wasteful number, since it uses less digits than its factorization.

6616063803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 6616063803 is about 81339.1898349129. The cubic root of 6616063803 is about 1877.2980465908.

Adding to 6616063803 its reverse (3083606166), we get a palindrome (9699669969).

The spelling of 6616063803 in words is "six billion, six hundred sixteen million, sixty-three thousand, eight hundred three".