5521565616631 has 8 divisors (see below), whose sum is σ = 5616353370960. Its totient is φ = 5426817925632.

The previous prime is 5521565616577. The next prime is 5521565616691. The reversal of 5521565616631 is 1366165651255.

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 5521565616631 - 2¹⁷ = 5521565485559 is a prime.

It is a super-2 number, since 2×5521565616631² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521565616691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9737760 + ... + 10289173.

It is an arithmetic number, because the mean of its divisors is an integer number (702044171370).

Almost surely, 2^{5521565616631} is an apocalyptic number.

5521565616631 is a deficient number, since it is larger than the sum of its proper divisors (94787754329).

5521565616631 is a wasteful number, since it uses less digits than its factorization.

5521565616631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20031665.

The product of its digits is 4860000, while the sum is 52.

The spelling of 5521565616631 in words is "five trillion, five hundred twenty-one billion, five hundred sixty-five million, six hundred sixteen thousand, six hundred thirty-one".