51169914896 has 80 divisors (see below), whose sum is σ = 107061004800. Its totient is φ = 23636659200.

The previous prime is 51169914889. The next prime is 51169914937. The reversal of 51169914896 is 69841996115.

It is a super-3 number, since 3×51169914896³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1260191 + ... + 1300161.

It is an arithmetic number, because the mean of its divisors is an integer number (1338262560).

Almost surely, 2^51169914896 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 51169914896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53530502400).

51169914896 is an abundant number, since it is smaller than the sum of its proper divisors (55891089904).

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

51169914896 is a wasteful number, since it uses less digits than its factorization.

51169914896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40128 (or 40122 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 59.

The spelling of 51169914896 in words is "fifty-one billion, one hundred sixty-nine million, nine hundred fourteen thousand, eight hundred ninety-six".