51366266266 has 8 divisors (see below), whose sum is σ = 88056456480. Its totient is φ = 22014114108.

The previous prime is 51366266257. The next prime is 51366266267. The reversal of 51366266266 is 66266266315.

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 (51366266267) 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, 1834509496 + ... + 1834509523.

It is an arithmetic number, because the mean of its divisors is an integer number (11007057060).

Almost surely, 2^51366266266 is an apocalyptic number.

51366266266 is a deficient number, since it is larger than the sum of its proper divisors (36690190214).

51366266266 is a wasteful number, since it uses less digits than its factorization.

51366266266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3669019028.

The product of its digits is 2799360, while the sum is 49.

Adding to 51366266266 its sum of digits (49), we get a palindrome (51366266315).

The spelling of 51366266266 in words is "fifty-one billion, three hundred sixty-six million, two hundred sixty-six thousand, two hundred sixty-six".