260391466 has 12 divisors (see below), whose sum is σ = 412227522. Its totient is φ = 123342984.

The previous prime is 260391463. The next prime is 260391503. The reversal of 260391466 is 664193062.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 198218241 + 62173225 = 14079^2 + 7885^2 .

It is not an unprimeable number, because it can be changed into a prime (260391463) 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, 179605 + ... + 181048.

Almost surely, 2^260391466 is an apocalyptic number.

260391466 is a deficient number, since it is larger than the sum of its proper divisors (151836056).

260391466 is a wasteful number, since it uses less digits than its factorization.

260391466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360693 (or 360674 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 260391466 is about 16136.6497762082. The cubic root of 260391466 is about 638.5705940543.

The spelling of 260391466 in words is "two hundred sixty million, three hundred ninety-one thousand, four hundred sixty-six".