51066719396 has 48 divisors (see below), whose sum is σ = 112670248320. Its totient is φ = 19672561920.

The previous prime is 51066719323. The next prime is 51066719447. The reversal of 51066719396 is 69391766015.

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 15 ways as a sum of consecutive naturals, for example, 904055 + ... + 958878.

It is an arithmetic number, because the mean of its divisors is an integer number (2347296840).

Almost surely, 2^51066719396 is an apocalyptic number.

It is an amenable number.

51066719396 is an abundant number, since it is smaller than the sum of its proper divisors (61603528924).

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

51066719396 is a wasteful number, since it uses less digits than its factorization.

51066719396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863044 (or 1863042 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 53.

The spelling of 51066719396 in words is "fifty-one billion, sixty-six million, seven hundred nineteen thousand, three hundred ninety-six".