260067091 has 4 divisors (see below), whose sum is σ = 268456384. Its totient is φ = 251677800.

The previous prime is 260067077. The next prime is 260067109. The reversal of 260067091 is 190760062.

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 260067091 - 2⁹ = 260066579 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 8389261 = 260067091 / (2 + 6 + 0 + 0 + 6 + 7 + 0 + 9 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260067011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4194600 + ... + 4194661.

It is an arithmetic number, because the mean of its divisors is an integer number (67114096).

Almost surely, 2^260067091 is an apocalyptic number.

260067091 is a deficient number, since it is larger than the sum of its proper divisors (8389293).

260067091 is an equidigital number, since it uses as much as digits as its factorization.

260067091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8389292.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 260067091 is about 16126.5957660010. The cubic root of 260067091 is about 638.3053237026.

The spelling of 260067091 in words is "two hundred sixty million, sixty-seven thousand, ninety-one".