5561501016 has 64 divisors (see below), whose sum is σ = 14523724800. Its totient is φ = 1771342848.

The previous prime is 5561501003. The next prime is 5561501027. The reversal of 5561501016 is 6101051655.

It is a congruent number.

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, 568680 + ... + 578376.

It is an arithmetic number, because the mean of its divisors is an integer number (226933200).

Almost surely, 2^5561501016 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 5561501016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7261862400).

5561501016 is an abundant number, since it is smaller than the sum of its proper divisors (8962223784).

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

5561501016 is a wasteful number, since it uses less digits than its factorization.

5561501016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10768 (or 10764 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 5561501016 is about 74575.4719462103. The cubic root of 5561501016 is about 1771.7291895068.

The spelling of 5561501016 in words is "five billion, five hundred sixty-one million, five hundred one thousand, sixteen".