288261066 has 16 divisors (see below), whose sum is σ = 576853344. Its totient is φ = 96031824.

The previous prime is 288261031. The next prime is 288261101. The reversal of 288261066 is 660162882.

288261066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (288261031) and next prime (288261101).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1665 + ... + 24068.

It is an arithmetic number, because the mean of its divisors is an integer number (36053334).

Almost surely, 2^288261066 is an apocalyptic number.

288261066 is an abundant number, since it is smaller than the sum of its proper divisors (288592278).

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

288261066 is a wasteful number, since it uses less digits than its factorization.

288261066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27605.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 288261066 is about 16978.2527369574. The cubic root of 288261066 is about 660.5849313998.

It can be divided in two parts, 28826 and 1066, that added together give a palindrome (29892).

The spelling of 288261066 in words is "two hundred eighty-eight million, two hundred sixty-one thousand, sixty-six".