260198965 has 32 divisors (see below), whose sum is σ = 349977600. Its totient is φ = 184412160.

The previous prime is 260198959. The next prime is 260198969. The reversal of 260198965 is 569891062.

It is not a de Polignac number, because 260198965 - 2¹³ = 260190773 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260198969) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 279621 + ... + 280549.

It is an arithmetic number, because the mean of its divisors is an integer number (10936800).

Almost surely, 2^260198965 is an apocalyptic number.

It is an amenable number.

260198965 is a deficient number, since it is larger than the sum of its proper divisors (89778635).

260198965 is a wasteful number, since it uses less digits than its factorization.

260198965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 260198965 is about 16130.6839594606. The cubic root of 260198965 is about 638.4131954214.

The spelling of 260198965 in words is "two hundred sixty million, one hundred ninety-eight thousand, nine hundred sixty-five".