51401104166 has 8 divisors (see below), whose sum is σ = 77107986504. Its totient is φ = 25698442000.

The previous prime is 51401104159. The next prime is 51401104217. The reversal of 51401104166 is 66140110415.

It is a happy number.

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, 1024415 + ... + 1073418.

It is an arithmetic number, because the mean of its divisors is an integer number (9638498313).

Almost surely, 2^51401104166 is an apocalyptic number.

51401104166 is a deficient number, since it is larger than the sum of its proper divisors (25706882338).

51401104166 is a wasteful number, since it uses less digits than its factorization.

51401104166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110086.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 51401104166 in words is "fifty-one billion, four hundred one million, one hundred four thousand, one hundred sixty-six".