860170993 has 16 divisors (see below), whose sum is σ = 951350400. Its totient is φ = 771223680.

The previous prime is 860170979. The next prime is 860170999. The reversal of 860170993 is 399071068.

860170993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 860170993 - 2⁹ = 860170481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (860170999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277828 + ... + 280906.

It is an arithmetic number, because the mean of its divisors is an integer number (59459400).

Almost surely, 2^860170993 is an apocalyptic number.

It is an amenable number.

860170993 is a deficient number, since it is larger than the sum of its proper divisors (91179407).

860170993 is a wasteful number, since it uses less digits than its factorization.

860170993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 860170993 is about 29328.6718587801. The cubic root of 860170993 is about 951.0315638592.

The spelling of 860170993 in words is "eight hundred sixty million, one hundred seventy thousand, nine hundred ninety-three".