260199641 has 4 divisors (see below), whose sum is σ = 280215012. Its totient is φ = 240184272.

The previous prime is 260199619. The next prime is 260199649. The reversal of 260199641 is 146991062.

260199641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156750400 + 103449241 = 12520^2 + 10171^2 .

It is a cyclic number.

It is not a de Polignac number, because 260199641 - 2¹⁴ = 260183257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 260199595 and 260199604.

It is not an unprimeable number, because it can be changed into a prime (260199649) 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, 10007666 + ... + 10007691.

It is an arithmetic number, because the mean of its divisors is an integer number (70053753).

Almost surely, 2^260199641 is an apocalyptic number.

It is an amenable number.

260199641 is a deficient number, since it is larger than the sum of its proper divisors (20015371).

260199641 is a wasteful number, since it uses less digits than its factorization.

260199641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20015370.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 260199641 is about 16130.7049133012. The cubic root of 260199641 is about 638.4137482893.

The spelling of 260199641 in words is "two hundred sixty million, one hundred ninety-nine thousand, six hundred forty-one".