51004054666 has 8 divisors (see below), whose sum is σ = 78974020224. Its totient is φ = 24679381260.

The previous prime is 51004054579. The next prime is 51004054679. The reversal of 51004054666 is 66645040015.

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

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, 411322960 + ... + 411323083.

It is an arithmetic number, because the mean of its divisors is an integer number (9871752528).

Almost surely, 2^51004054666 is an apocalyptic number.

51004054666 is a deficient number, since it is larger than the sum of its proper divisors (27969965558).

51004054666 is a wasteful number, since it uses less digits than its factorization.

51004054666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822646076.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 51004054666 in words is "fifty-one billion, four million, fifty-four thousand, six hundred sixty-six".