260667790 has 8 divisors (see below), whose sum is σ = 469202040. Its totient is φ = 104267112.

The previous prime is 260667761. The next prime is 260667793. The reversal of 260667790 is 97766062.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260667793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13033380 + ... + 13033399.

It is an arithmetic number, because the mean of its divisors is an integer number (58650255).

Almost surely, 2^260667790 is an apocalyptic number.

260667790 is a deficient number, since it is larger than the sum of its proper divisors (208534250).

260667790 is a wasteful number, since it uses less digits than its factorization.

260667790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26066786.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 260667790 is about 16145.2095062282. The cubic root of 260667790 is about 638.7963951069.

It can be divided in two parts, 26066 and 7790, that added together give a square (33856 = 184²).

The spelling of 260667790 in words is "two hundred sixty million, six hundred sixty-seven thousand, seven hundred ninety".