260566884 has 18 divisors (see below), whose sum is σ = 658655270. Its totient is φ = 86855616.

The previous prime is 260566883. The next prime is 260566907. The reversal of 260566884 is 488665062.

260566884 is a `hidden beast` number, since 2 + 6 + 0 + 566 + 8 + 84 = 666.

It can be written as a sum of positive squares in only one way, i.e., 241118784 + 19448100 = 15528^2 + 4410^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (260566883) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3618949 + ... + 3619020.

Almost surely, 2^260566884 is an apocalyptic number.

It is an amenable number.

260566884 is an abundant number, since it is smaller than the sum of its proper divisors (398088386).

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

260566884 is a wasteful number, since it uses less digits than its factorization.

260566884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7237979 (or 7237974 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 260566884 is about 16142.0842520413. The cubic root of 260566884 is about 638.7139572163.

The spelling of 260566884 in words is "two hundred sixty million, five hundred sixty-six thousand, eight hundred eighty-four".