266255133120 has 168 divisors, whose sum is σ = 937104984816. Its totient is φ = 69350141952.

The previous prime is 266255133119. The next prime is 266255133187. The reversal of 266255133120 is 21331552662.

266255133120 is a `hidden beast` number, since 2 + 6 + 62 + 551 + 33 + 12 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 951157 + ... + 1198836.

It is an arithmetic number, because the mean of its divisors is an integer number (5578005862).

Almost surely, 2^266255133120 is an apocalyptic number.

266255133120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266255133120 is an abundant number, since it is smaller than the sum of its proper divisors (670849851696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266255133120 is a wasteful number, since it uses less digits than its factorization.

266255133120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150059 (or 2150046 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 266255133120 its reverse (21331552662), we get a palindrome (287586685782).

The spelling of 266255133120 in words is "two hundred sixty-six billion, two hundred fifty-five million, one hundred thirty-three thousand, one hundred twenty".