51466660293 has 8 divisors (see below), whose sum is σ = 68733076000. Its totient is φ = 34255675728.

The previous prime is 51466660283. The next prime is 51466660307. The reversal of 51466660293 is 39206666415.

It is a happy number.

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

It is not a de Polignac number, because 51466660293 - 2¹⁰ = 51466659269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51466660253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13855618 + ... + 13859331.

It is an arithmetic number, because the mean of its divisors is an integer number (8591634500).

Almost surely, 2^51466660293 is an apocalyptic number.

It is an amenable number.

51466660293 is a deficient number, since it is larger than the sum of its proper divisors (17266415707).

51466660293 is a wasteful number, since it uses less digits than its factorization.

51466660293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27715571.

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 51466660293 in words is "fifty-one billion, four hundred sixty-six million, six hundred sixty thousand, two hundred ninety-three".