266872573968 has 480 divisors, whose sum is σ = 983360394240. Its totient is φ = 60218449920.

The previous prime is 266872573963. The next prime is 266872573973. The reversal of 266872573968 is 869375278662.

It is an interprime number because it is at equal distance from previous prime (266872573963) and next prime (266872573973).

It is not an unprimeable number, because it can be changed into a prime (266872573963) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13876263 + ... + 13895481.

It is an arithmetic number, because the mean of its divisors is an integer number (2048667488).

Almost surely, 2^266872573968 is an apocalyptic number.

266872573968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266872573968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491680197120).

266872573968 is an abundant number, since it is smaller than the sum of its proper divisors (716487820272).

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

266872573968 is a wasteful number, since it uses less digits than its factorization.

266872573968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19295 (or 19272 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 69.

The spelling of 266872573968 in words is "two hundred sixty-six billion, eight hundred seventy-two million, five hundred seventy-three thousand, nine hundred sixty-eight".