51366848471678 has 8 divisors (see below), whose sum is σ = 77056221196368. Its totient is φ = 25681441406224.

The previous prime is 51366848471663. The next prime is 51366848471681. The reversal of 51366848471678 is 87617484866315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991382426 + ... + 991434237.

It is an arithmetic number, because the mean of its divisors is an integer number (9632027649546).

Almost surely, 2^{51366848471678} is an apocalyptic number.

51366848471678 is a deficient number, since it is larger than the sum of its proper divisors (25689372724690).

51366848471678 is a wasteful number, since it uses less digits than its factorization.

51366848471678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982829618.

The product of its digits is 1300561920, while the sum is 74.

The spelling of 51366848471678 in words is "fifty-one trillion, three hundred sixty-six billion, eight hundred forty-eight million, four hundred seventy-one thousand, six hundred seventy-eight".