51668634830210 has 8 divisors (see below), whose sum is σ = 93003542694396. Its totient is φ = 20667453932080.

The previous prime is 51668634830191. The next prime is 51668634830213. The reversal of 51668634830210 is 1203843686615.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45779825034241 + 5888809795969 = 6766079^2 + 2426687^2 .

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

It is not an unprimeable number, because it can be changed into a prime (51668634830213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2583431741501 + ... + 2583431741520.

Almost surely, 2^{51668634830210} is an apocalyptic number.

51668634830210 is a deficient number, since it is larger than the sum of its proper divisors (41334907864186).

51668634830210 is a wasteful number, since it uses less digits than its factorization.

51668634830210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166863483028.

The product of its (nonzero) digits is 4976640, while the sum is 53.

The spelling of 51668634830210 in words is "fifty-one trillion, six hundred sixty-eight billion, six hundred thirty-four million, eight hundred thirty thousand, two hundred ten".