260652665 has 32 divisors (see below), whose sum is σ = 387991296. Its totient is φ = 163687680.

The previous prime is 260652649. The next prime is 260652671. The reversal of 260652665 is 566256062.

It is not a de Polignac number, because 260652665 - 2⁴ = 260652649 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57419 + ... + 61791.

It is an arithmetic number, because the mean of its divisors is an integer number (12124728).

Almost surely, 2^260652665 is an apocalyptic number.

It is an amenable number.

260652665 is a deficient number, since it is larger than the sum of its proper divisors (127338631).

260652665 is a wasteful number, since it uses less digits than its factorization.

260652665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4529.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 260652665 is about 16144.7410942387. The cubic root of 260652665 is about 638.7840396840.

The spelling of 260652665 in words is "two hundred sixty million, six hundred fifty-two thousand, six hundred sixty-five".