51726068566258 has 8 divisors (see below), whose sum is σ = 81672739841520. Its totient is φ = 24501821952420.

The previous prime is 51726068566213. The next prime is 51726068566259. The reversal of 51726068566258 is 85266586062715.

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

It is a super-2 number, since 2×51726068566258² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51726068566193 and 51726068566202.

It is not an unprimeable number, because it can be changed into a prime (51726068566259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680606165308 + ... + 680606165383.

It is an arithmetic number, because the mean of its divisors is an integer number (10209092480190).

Almost surely, 2^{51726068566258} is an apocalyptic number.

51726068566258 is a deficient number, since it is larger than the sum of its proper divisors (29946671275262).

51726068566258 is a wasteful number, since it uses less digits than its factorization.

51726068566258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361212330712.

The product of its (nonzero) digits is 290304000, while the sum is 67.

The spelling of 51726068566258 in words is "fifty-one trillion, seven hundred twenty-six billion, sixty-eight million, five hundred sixty-six thousand, two hundred fifty-eight".