51166525726 has 8 divisors (see below), whose sum is σ = 76762977480. Its totient is φ = 25578866568.

The previous prime is 51166525723. The next prime is 51166525771. The reversal of 51166525726 is 62752566115.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51166525723) 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, 2183581 + ... + 2206888.

It is an arithmetic number, because the mean of its divisors is an integer number (9595372185).

Almost surely, 2^51166525726 is an apocalyptic number.

51166525726 is a deficient number, since it is larger than the sum of its proper divisors (25596451754).

51166525726 is a wasteful number, since it uses less digits than its factorization.

51166525726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396298.

The product of its digits is 756000, while the sum is 46.

The spelling of 51166525726 in words is "fifty-one billion, one hundred sixty-six million, five hundred twenty-five thousand, seven hundred twenty-six".