51079622016 has 256 divisors, whose sum is σ = 146701393920. Its totient is φ = 15689318400.

The previous prime is 51079621997. The next prime is 51079622029. The reversal of 51079622016 is 61022697015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88525920 + ... + 88526496.

It is an arithmetic number, because the mean of its divisors is an integer number (573052320).

Almost surely, 2^51079622016 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 51079622016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73350696960).

51079622016 is an abundant number, since it is smaller than the sum of its proper divisors (95621771904).

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

51079622016 is a wasteful number, since it uses less digits than its factorization.

51079622016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 51079622016 in words is "fifty-one billion, seventy-nine million, six hundred twenty-two thousand, sixteen".