5531321531616 has 24 divisors (see below), whose sum is σ = 14519719020744. Its totient is φ = 1843773843840.

The previous prime is 5531321531611. The next prime is 5531321531621. The reversal of 5531321531616 is 6161351231355.

It is an interprime number because it is at equal distance from previous prime (5531321531611) and next prime (5531321531621).

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×5531321531616² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5531321531611) 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, 28808966215 + ... + 28808966406.

It is an arithmetic number, because the mean of its divisors is an integer number (604988292531).

Almost surely, 2^{5531321531616} is an apocalyptic number.

It is an amenable number.

5531321531616 is an abundant number, since it is smaller than the sum of its proper divisors (8988397489128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5531321531616 is a wasteful number, since it uses less digits than its factorization.

5531321531616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57617932634 (or 57617932626 counting only the distinct ones).

The product of its digits is 243000, while the sum is 42.

The spelling of 5531321531616 in words is "five trillion, five hundred thirty-one billion, three hundred twenty-one million, five hundred thirty-one thousand, six hundred sixteen".