260565785163 has 24 divisors (see below), whose sum is σ = 392817454848. Its totient is φ = 166123784112.

The previous prime is 260565785111. The next prime is 260565785171. The reversal of 260565785163 is 361587565062.

It is a happy number.

260565785163 is a `hidden beast` number, since 2 + 6 + 0 + 5 + 6 + 578 + 5 + 1 + 63 = 666.

It is not a de Polignac number, because 260565785163 - 2¹⁶ = 260565719627 is a prime.

It is a super-2 number, since 2×260565785163² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (260565784163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 901456 + ... + 1154882.

It is an arithmetic number, because the mean of its divisors is an integer number (16367393952).

Almost surely, 2^260565785163 is an apocalyptic number.

260565785163 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

260565785163 is a deficient number, since it is larger than the sum of its proper divisors (132251669685).

260565785163 is a wasteful number, since it uses less digits than its factorization.

260565785163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258423 (or 258420 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 260565785163 in words is "two hundred sixty billion, five hundred sixty-five million, seven hundred eighty-five thousand, one hundred sixty-three".