260161043 has 4 divisors (see below), whose sum is σ = 261277848. Its totient is φ = 259044240.

The previous prime is 260161039. The next prime is 260161049. The reversal of 260161043 is 340161062.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340161062 = 2 ⋅170080531.

It is a cyclic number.

It is not a de Polignac number, because 260161043 - 2² = 260161039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260161049) 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, 558053 + ... + 558518.

It is an arithmetic number, because the mean of its divisors is an integer number (65319462).

Almost surely, 2^260161043 is an apocalyptic number.

260161043 is a deficient number, since it is larger than the sum of its proper divisors (1116805).

260161043 is a wasteful number, since it uses less digits than its factorization.

260161043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116804.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 260161043 is about 16129.5084550026. The cubic root of 260161043 is about 638.3821793085.

The spelling of 260161043 in words is "two hundred sixty million, one hundred sixty-one thousand, forty-three".