266708052 has 72 divisors (see below), whose sum is σ = 752964576. Its totient is φ = 82060128.

The previous prime is 266707981. The next prime is 266708077. The reversal of 266708052 is 250807662.

It is a super-2 number, since 2×266708052² = 142266370003269408, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 266707998 and 266708016.

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, 2083 + ... + 23189.

Almost surely, 2^266708052 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 266708052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376482288).

266708052 is an abundant number, since it is smaller than the sum of its proper divisors (486256524).

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

266708052 is a wasteful number, since it uses less digits than its factorization.

266708052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21139 (or 21125 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 266708052 is about 16331.1987312628. The cubic root of 266708052 is about 643.6928855980.

The spelling of 266708052 in words is "two hundred sixty-six million, seven hundred eight thousand, fifty-two".