51366141463446 has 24 divisors (see below), whose sum is σ = 111623553717624. Its totient is φ = 17071239890880.

The previous prime is 51366141463421. The next prime is 51366141463447. The reversal of 51366141463446 is 64436414166315.

51366141463446 is a `hidden beast` number, since 5 + 1 + 3 + 6 + 614 + 14 + 6 + 3 + 4 + 4 + 6 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51366141463392 and 51366141463401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51366141463447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4233932400 + ... + 4233944531.

It is an arithmetic number, because the mean of its divisors is an integer number (4650981404901).

Almost surely, 2^{51366141463446} is an apocalyptic number.

51366141463446 is an abundant number, since it is smaller than the sum of its proper divisors (60257412254178).

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

51366141463446 is a wasteful number, since it uses less digits than its factorization.

51366141463446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8467877276 (or 8467877273 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 54.

The spelling of 51366141463446 in words is "fifty-one trillion, three hundred sixty-six billion, one hundred forty-one million, four hundred sixty-three thousand, four hundred forty-six".