5491765663 has 8 divisors (see below), whose sum is σ = 5971968432. Its totient is φ = 5029024896.

The previous prime is 5491765621. The next prime is 5491765679. The reversal of 5491765663 is 3665671945.

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

It is a cyclic number.

It is not a de Polignac number, because 5491765663 - 2⁹ = 5491765151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5491765663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5491765603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4364845 + ... + 4366102.

It is an arithmetic number, because the mean of its divisors is an integer number (746496054).

Almost surely, 2^5491765663 is an apocalyptic number.

5491765663 is a deficient number, since it is larger than the sum of its proper divisors (480202769).

5491765663 is a wasteful number, since it uses less digits than its factorization.

5491765663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8731001.

The product of its digits is 4082400, while the sum is 52.

The square root of 5491765663 is about 74106.4481877252. The cubic root of 5491765663 is about 1764.2928162254.

The spelling of 5491765663 in words is "five billion, four hundred ninety-one million, seven hundred sixty-five thousand, six hundred sixty-three".