260655066 has 48 divisors (see below), whose sum is σ = 651178944. Its totient is φ = 73809792.

The previous prime is 260655019. The next prime is 260655071. The reversal of 260655066 is 660556062.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 260655066.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5085 + ... + 23391.

It is an arithmetic number, because the mean of its divisors is an integer number (13566228).

Almost surely, 2^260655066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260655066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325589472).

260655066 is an abundant number, since it is smaller than the sum of its proper divisors (390523878).

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

260655066 is a wasteful number, since it uses less digits than its factorization.

260655066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18435 (or 18432 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 260655066 is about 16144.8154526461. The cubic root of 260655066 is about 638.7860010627.

The spelling of 260655066 in words is "two hundred sixty million, six hundred fifty-five thousand, sixty-six".