260668534 has 12 divisors (see below), whose sum is σ = 454840164. Its totient is φ = 111715044.

The previous prime is 260668523. The next prime is 260668547. The reversal of 260668534 is 435866062.

It is a happy number.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 1329844 + ... + 1330039.

It is an arithmetic number, because the mean of its divisors is an integer number (37903347).

Almost surely, 2^260668534 is an apocalyptic number.

260668534 is a deficient number, since it is larger than the sum of its proper divisors (194171630).

260668534 is a wasteful number, since it uses less digits than its factorization.

260668534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659899 (or 2659892 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 260668534 is about 16145.2325471019. The cubic root of 260668534 is about 638.7970028588.

The spelling of 260668534 in words is "two hundred sixty million, six hundred sixty-eight thousand, five hundred thirty-four".