5220405663 has 8 divisors (see below), whose sum is σ = 7593317376. Its totient is φ = 3163882200.

The previous prime is 5220405661. The next prime is 5220405683. The reversal of 5220405663 is 3665040225.

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

It is not a de Polignac number, because 5220405663 - 2¹ = 5220405661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 158194111 = 5220405663 / (5 + 2 + 2 + 0 + 4 + 0 + 5 + 6 + 6 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220405661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79097023 + ... + 79097088.

It is an arithmetic number, because the mean of its divisors is an integer number (949164672).

Almost surely, 2^5220405663 is an apocalyptic number.

5220405663 is a deficient number, since it is larger than the sum of its proper divisors (2372911713).

5220405663 is a wasteful number, since it uses less digits than its factorization.

5220405663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158194125.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 5220405663 is about 72252.3747914212. The cubic root of 5220405663 is about 1734.7414301832.

Adding to 5220405663 its reverse (3665040225), we get a palindrome (8885445888).

The spelling of 5220405663 in words is "five billion, two hundred twenty million, four hundred five thousand, six hundred sixty-three".