266051088 has 120 divisors (see below), whose sum is σ = 811609760. Its totient is φ = 83427840.

The previous prime is 266051059. The next prime is 266051099. The reversal of 266051088 is 880150662.

It is a happy number.

266051088 is a `hidden beast` number, since 2 + 6 + 60 + 510 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 6.

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, 123783 + ... + 125913.

Almost surely, 2^266051088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266051088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405804880).

266051088 is an abundant number, since it is smaller than the sum of its proper divisors (545558672).

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

266051088 is a wasteful number, since it uses less digits than its factorization.

266051088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182 (or 2153 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 266051088 is about 16311.0725582348. The cubic root of 266051088 is about 643.1639292536.

The spelling of 266051088 in words is "two hundred sixty-six million, fifty-one thousand, eighty-eight".