260464666 has 32 divisors (see below), whose sum is σ = 502824960. Its totient is φ = 98204400.

The previous prime is 260464663. The next prime is 260464679. The reversal of 260464666 is 666464062.

It is not an unprimeable number, because it can be changed into a prime (260464663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22506 + ... + 32053.

It is an arithmetic number, because the mean of its divisors is an integer number (15713280).

Almost surely, 2^260464666 is an apocalyptic number.

260464666 is a deficient number, since it is larger than the sum of its proper divisors (242360294).

260464666 is a wasteful number, since it uses less digits than its factorization.

260464666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54610.

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 260464666 is about 16138.9177456235. The cubic root of 260464666 is about 638.6304257490.

The spelling of 260464666 in words is "two hundred sixty million, four hundred sixty-four thousand, six hundred sixty-six".