51864046196 has 12 divisors (see below), whose sum is σ = 90766546080. Its totient is φ = 25930747320.

The previous prime is 51864046193. The next prime is 51864046207. The reversal of 51864046196 is 69164046815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51864046193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224360 + ... + 392511.

It is an arithmetic number, because the mean of its divisors is an integer number (7563878840).

Almost surely, 2^51864046196 is an apocalyptic number.

It is an amenable number.

51864046196 is a deficient number, since it is larger than the sum of its proper divisors (38902499884).

51864046196 is a wasteful number, since it uses less digits than its factorization.

51864046196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637894 (or 637892 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 51864046196 in words is "fifty-one billion, eight hundred sixty-four million, forty-six thousand, one hundred ninety-six".