260751564161 has 4 divisors (see below), whose sum is σ = 284456251824. Its totient is φ = 237046876500.

The previous prime is 260751564119. The next prime is 260751564217. The reversal of 260751564161 is 161465157062.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 260751564161 - 2⁶ = 260751564097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (260751563161) 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, 11852343815 + ... + 11852343836.

It is an arithmetic number, because the mean of its divisors is an integer number (71114062956).

Almost surely, 2^260751564161 is an apocalyptic number.

It is an amenable number.

260751564161 is a deficient number, since it is larger than the sum of its proper divisors (23704687663).

260751564161 is a wasteful number, since it uses less digits than its factorization.

260751564161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23704687662.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 260751564161 in words is "two hundred sixty billion, seven hundred fifty-one million, five hundred sixty-four thousand, one hundred sixty-one".