266826948 has 12 divisors (see below), whose sum is σ = 622596240. Its totient is φ = 88942312.

The previous prime is 266826929. The next prime is 266826949. The reversal of 266826948 is 849628662.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 266826948.

It is not an unprimeable number, because it can be changed into a prime (266826949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11117778 + ... + 11117801.

It is an arithmetic number, because the mean of its divisors is an integer number (51883020).

Almost surely, 2^266826948 is an apocalyptic number.

It is an amenable number.

266826948 is an abundant number, since it is smaller than the sum of its proper divisors (355769292).

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

266826948 is a wasteful number, since it uses less digits than its factorization.

266826948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22235586 (or 22235584 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The square root of 266826948 is about 16334.8384748671. The cubic root of 266826948 is about 643.7885221803.

The spelling of 266826948 in words is "two hundred sixty-six million, eight hundred twenty-six thousand, nine hundred forty-eight".