260615566 has 8 divisors (see below), whose sum is σ = 391357080. Its totient is φ = 130163208.

The previous prime is 260615521. The next prime is 260615569. The reversal of 260615566 is 665516062.

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 (260615569) 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, 70021 + ... + 73648.

It is an arithmetic number, because the mean of its divisors is an integer number (48919635).

Almost surely, 2^260615566 is an apocalyptic number.

260615566 is a deficient number, since it is larger than the sum of its proper divisors (130741514).

260615566 is a wasteful number, since it uses less digits than its factorization.

260615566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144578.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 260615566 is about 16143.5921033703. The cubic root of 260615566 is about 638.7537319518.

The spelling of 260615566 in words is "two hundred sixty million, six hundred fifteen thousand, five hundred sixty-six".