260667751 has 4 divisors (see below), whose sum is σ = 261415000. Its totient is φ = 259920504.

The previous prime is 260667731. The next prime is 260667761. The reversal of 260667751 is 157766062.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260667751 - 2¹³ = 260659559 is a prime.

It is a super-2 number, since 2×260667751² = 135895352822796002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260667731) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 373101 + ... + 373798.

It is an arithmetic number, because the mean of its divisors is an integer number (65353750).

Almost surely, 2^260667751 is an apocalyptic number.

260667751 is a deficient number, since it is larger than the sum of its proper divisors (747249).

260667751 is an equidigital number, since it uses as much as digits as its factorization.

260667751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747248.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 260667751 is about 16145.2082984395. The cubic root of 260667751 is about 638.7963632489.

The spelling of 260667751 in words is "two hundred sixty million, six hundred sixty-seven thousand, seven hundred fifty-one".