266798896 has 160 divisors (see below), whose sum is σ = 687955968. Its totient is φ = 97320960.

The previous prime is 266798881. The next prime is 266798899. The reversal of 266798896 is 698897662.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (266798899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1038000 + ... + 1038256.

Almost surely, 2^266798896 is an apocalyptic number.

266798896 is a gapful number since it is divisible by the number (26) 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 266798896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343977984).

266798896 is an abundant number, since it is smaller than the sum of its proper divisors (421157072).

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

266798896 is a wasteful number, since it uses less digits than its factorization.

266798896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 333 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 61.

The square root of 266798896 is about 16333.9797967305. The cubic root of 266798896 is about 643.7659605054.

The spelling of 266798896 in words is "two hundred sixty-six million, seven hundred ninety-eight thousand, eight hundred ninety-six".