5661716263 has 4 divisors (see below), whose sum is σ = 6470532880. Its totient is φ = 4852899648.

The previous prime is 5661716251. The next prime is 5661716309. The reversal of 5661716263 is 3626171665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3626171665 = 5 ⋅725234333.

It is a cyclic number.

It is not a de Polignac number, because 5661716263 - 2⁵ = 5661716231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661716233) 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, 404408298 + ... + 404408311.

It is an arithmetic number, because the mean of its divisors is an integer number (1617633220).

Almost surely, 2^5661716263 is an apocalyptic number.

5661716263 is a deficient number, since it is larger than the sum of its proper divisors (808816617).

5661716263 is an equidigital number, since it uses as much as digits as its factorization.

5661716263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808816616.

The product of its digits is 272160, while the sum is 43.

The square root of 5661716263 is about 75244.3769526999. The cubic root of 5661716263 is about 1782.3077695300.

The spelling of 5661716263 in words is "five billion, six hundred sixty-one million, seven hundred sixteen thousand, two hundred sixty-three".