260158985 has 8 divisors (see below), whose sum is σ = 312305856. Its totient is φ = 208050480.

The previous prime is 260158979. The next prime is 260158993. The reversal of 260158985 is 589851062.

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

It is not a de Polignac number, because 260158985 - 2¹⁸ = 259896841 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8402 + ... + 24308.

It is an arithmetic number, because the mean of its divisors is an integer number (39038232).

Almost surely, 2^260158985 is an apocalyptic number.

It is an amenable number.

260158985 is a deficient number, since it is larger than the sum of its proper divisors (52146871).

260158985 is a wasteful number, since it uses less digits than its factorization.

260158985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19183.

The product of its (nonzero) digits is 172800, while the sum is 44.

The square root of 260158985 is about 16129.4446587600. Note that the first 3 decimals coincide. The cubic root of 260158985 is about 638.3804959999.

The spelling of 260158985 in words is "two hundred sixty million, one hundred fifty-eight thousand, nine hundred eighty-five".