5203916661 has 16 divisors (see below), whose sum is σ = 6991815168. Its totient is φ = 3442748400.

The previous prime is 5203916659. The next prime is 5203916693. The reversal of 5203916661 is 1666193025.

It is not a de Polignac number, because 5203916661 - 2¹ = 5203916659 is a prime.

It is a super-2 number, since 2×5203916661² = 54161497229266777842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5203912661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199506 + ... + 224076.

It is an arithmetic number, because the mean of its divisors is an integer number (436988448).

Almost surely, 2^5203916661 is an apocalyptic number.

It is an amenable number.

5203916661 is a deficient number, since it is larger than the sum of its proper divisors (1787898507).

5203916661 is a wasteful number, since it uses less digits than its factorization.

5203916661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25112.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 5203916661 is about 72138.1775553001. The cubic root of 5203916661 is about 1732.9130713821.

The spelling of 5203916661 in words is "five billion, two hundred three million, nine hundred sixteen thousand, six hundred sixty-one".