266376960 has 216 divisors, whose sum is σ = 970940880. Its totient is φ = 67239936.

The previous prime is 266376953. The next prime is 266376973. The reversal of 266376960 is 69673662.

266376960 is a `hidden beast` number, since 2 + 6 + 637 + 6 + 9 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 218272 + ... + 219488.

Almost surely, 2^266376960 is an apocalyptic number.

266376960 is a gapful number since it is divisible by the number (20) 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 266376960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485470440).

266376960 is an abundant number, since it is smaller than the sum of its proper divisors (704563920).

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

266376960 is a wasteful number, since it uses less digits than its factorization.

266376960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 266376960 is about 16321.0587891840. The cubic root of 266376960 is about 643.4264146835.

The spelling of 266376960 in words is "two hundred sixty-six million, three hundred seventy-six thousand, nine hundred sixty".