5531312616 has 64 divisors (see below), whose sum is σ = 14077015680. Its totient is φ = 1810702080.

The previous prime is 5531312561. The next prime is 5531312663. The reversal of 5531312616 is 6162131355.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1061730 + ... + 1066926.

It is an arithmetic number, because the mean of its divisors is an integer number (219953370).

Almost surely, 2^5531312616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5531312616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7038507840).

5531312616 is an abundant number, since it is smaller than the sum of its proper divisors (8545703064).

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

5531312616 is a wasteful number, since it uses less digits than its factorization.

5531312616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5994 (or 5990 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 5531312616 is about 74372.7948647891. The cubic root of 5531312616 is about 1768.5176621723.

The spelling of 5531312616 in words is "five billion, five hundred thirty-one million, three hundred twelve thousand, six hundred sixteen".