51016661160 has 96 divisors (see below), whose sum is σ = 157298772960. Its totient is φ = 13236712704.

The previous prime is 51016661153. The next prime is 51016661161. The reversal of 51016661160 is 6116661015.

It is not an unprimeable number, because it can be changed into a prime (51016661161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9007 + ... + 319553.

It is an arithmetic number, because the mean of its divisors is an integer number (1638528885).

Almost surely, 2^51016661160 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 51016661160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78649386480).

51016661160 is an abundant number, since it is smaller than the sum of its proper divisors (106282111800).

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

51016661160 is a wasteful number, since it uses less digits than its factorization.

51016661160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310635 (or 310594 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 51016661160 in words is "fifty-one billion, sixteen million, six hundred sixty-one thousand, one hundred sixty".