860673561 has 8 divisors (see below), whose sum is σ = 1251888864. Its totient is φ = 521620320.

The previous prime is 860673557. The next prime is 860673581. The reversal of 860673561 is 165376068.

860673561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 860673561 - 2² = 860673557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (860673581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13040476 + ... + 13040541.

It is an arithmetic number, because the mean of its divisors is an integer number (156486108).

Almost surely, 2^860673561 is an apocalyptic number.

It is an amenable number.

860673561 is a deficient number, since it is larger than the sum of its proper divisors (391215303).

860673561 is a wasteful number, since it uses less digits than its factorization.

860673561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26081031.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 860673561 is about 29337.2384692220. The cubic root of 860673561 is about 951.2167460228.

The spelling of 860673561 in words is "eight hundred sixty million, six hundred seventy-three thousand, five hundred sixty-one".