51617476016 has 80 divisors (see below), whose sum is σ = 107020233600. Its totient is φ = 24047622144.

The previous prime is 51617475953. The next prime is 51617476021. The reversal of 51617476016 is 61067471615.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4801175 + ... + 4811913.

It is an arithmetic number, because the mean of its divisors is an integer number (1337752920).

Almost surely, 2^51617476016 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 51617476016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53510116800).

51617476016 is an abundant number, since it is smaller than the sum of its proper divisors (55402757584).

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

51617476016 is a wasteful number, since it uses less digits than its factorization.

51617476016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11026 (or 11020 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 51617476016 in words is "fifty-one billion, six hundred seventeen million, four hundred seventy-six thousand, sixteen".