266729152 has 56 divisors (see below), whose sum is σ = 551399456. Its totient is φ = 127899648.

The previous prime is 266729123. The next prime is 266729191. The reversal of 266729152 is 251927662.

266729152 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×266729152² = 142288881053278208, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 172093 + ... + 173635.

Almost surely, 2^266729152 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 266729152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275699728).

266729152 is an abundant number, since it is smaller than the sum of its proper divisors (284670304).

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

266729152 is a wasteful number, since it uses less digits than its factorization.

266729152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665 (or 1655 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 266729152 is about 16331.8447212800. The cubic root of 266729152 is about 643.7098599159.

The spelling of 266729152 in words is "two hundred sixty-six million, seven hundred twenty-nine thousand, one hundred fifty-two".