51066161160 has 128 divisors (see below), whose sum is σ = 175371367680. Its totient is φ = 11653106688.

The previous prime is 51066161087. The next prime is 51066161177. The reversal of 51066161160 is 6116166015.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 465334 + ... + 564506.

It is an arithmetic number, because the mean of its divisors is an integer number (1370088810).

Almost surely, 2^51066161160 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 51066161160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87685683840).

51066161160 is an abundant number, since it is smaller than the sum of its proper divisors (124305206520).

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

51066161160 is a wasteful number, since it uses less digits than its factorization.

51066161160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99807 (or 99803 counting only the distinct ones).

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

It can be divided in two parts, 51066 and 161160, that added together give a triangular number (212226 = T₆₅₁).

The spelling of 51066161160 in words is "fifty-one billion, sixty-six million, one hundred sixty-one thousand, one hundred sixty".