51366141463392 has 144 divisors (see below), whose sum is σ = 167529855467520. Its totient is φ = 14624181455616.

The previous prime is 51366141463381. The next prime is 51366141463393. The reversal of 51366141463392 is 29336414166315.

It is a happy number.

51366141463392 is a `hidden beast` number, since 5 + 1 + 3 + 6 + 6 + 141 + 463 + 39 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×51366141463392² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51366141463393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44445792 + ... + 45586847.

It is an arithmetic number, because the mean of its divisors is an integer number (1163401774080).

Almost surely, 2^{51366141463392} is an apocalyptic number.

It is an amenable number.

51366141463392 is an abundant number, since it is smaller than the sum of its proper divisors (116163714004128).

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

51366141463392 is a wasteful number, since it uses less digits than its factorization.

51366141463392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90032945 (or 90032934 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 54.

The spelling of 51366141463392 in words is "fifty-one trillion, three hundred sixty-six billion, one hundred forty-one million, four hundred sixty-three thousand, three hundred ninety-two".