5172615616 has 112 divisors (see below), whose sum is σ = 12093854400. Its totient is φ = 2193945600.

The previous prime is 5172615599. The next prime is 5172615629. The reversal of 5172615616 is 6165162715.

It is a tau number, because it is divible by the number of its divisors (112).

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, 2215986 + ... + 2218318.

Almost surely, 2^5172615616 is an apocalyptic number.

5172615616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5172615616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6046927200).

5172615616 is an abundant number, since it is smaller than the sum of its proper divisors (6921238784).

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

5172615616 is a wasteful number, since it uses less digits than its factorization.

5172615616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467 (or 2443 counting only the distinct ones).

The product of its digits is 75600, while the sum is 40.

The square root of 5172615616 is about 71920.8983258691. The cubic root of 5172615616 is about 1729.4316481997.

The spelling of 5172615616 in words is "five billion, one hundred seventy-two million, six hundred fifteen thousand, six hundred sixteen".