51600060616 has 96 divisors (see below), whose sum is σ = 110245779000. Its totient is φ = 22504366080.

The previous prime is 51600060601. The next prime is 51600060643. The reversal of 51600060616 is 61606000615.

It can be written as a sum of positive squares in 4 ways, for example, as 48492444100 + 3107616516 = 220210^2 + 55746^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16855726 + ... + 16858786.

Almost surely, 2^51600060616 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 51600060616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55122889500).

51600060616 is an abundant number, since it is smaller than the sum of its proper divisors (58645718384).

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

51600060616 is a wasteful number, since it uses less digits than its factorization.

51600060616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567 (or 3544 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 51600060616 in words is "fifty-one billion, six hundred million, sixty thousand, six hundred sixteen".