266748118972 has 24 divisors (see below), whose sum is σ = 474209588160. Its totient is φ = 131270318400.

The previous prime is 266748118951. The next prime is 266748118979. The reversal of 266748118972 is 279811847662.

It is a self number, because there is not a number n which added to its sum of digits gives 266748118972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266748118979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1231279 + ... + 1431622.

It is an arithmetic number, because the mean of its divisors is an integer number (19758732840).

Almost surely, 2^266748118972 is an apocalyptic number.

It is an amenable number.

266748118972 is a deficient number, since it is larger than the sum of its proper divisors (207461469188).

266748118972 is a wasteful number, since it uses less digits than its factorization.

266748118972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663301 (or 2663299 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 61.

The spelling of 266748118972 in words is "two hundred sixty-six billion, seven hundred forty-eight million, one hundred eighteen thousand, nine hundred seventy-two".