260211666473485 has 8 divisors (see below), whose sum is σ = 312254086669560. Its totient is φ = 208169275244544.

The previous prime is 260211666473413. The next prime is 260211666473503. The reversal of 260211666473485 is 584374666112062.

It can be written as a sum of positive squares in 4 ways, for example, as 6098672263401 + 254112994210084 = 2469549^2 + 15940922^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 260211666473485 - 2⁹ = 260211666472973 is a prime.

It is a super-2 number, since 2×260211666473485² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29104909 + ... + 36979981.

It is an arithmetic number, because the mean of its divisors is an integer number (39031760833695).

Almost surely, 2^{260211666473485} is an apocalyptic number.

It is an amenable number.

260211666473485 is a deficient number, since it is larger than the sum of its proper divisors (52042420196075).

260211666473485 is an equidigital number, since it uses as much as digits as its factorization.

260211666473485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14483567.

The product of its (nonzero) digits is 69672960, while the sum is 61.

The spelling of 260211666473485 in words is "two hundred sixty trillion, two hundred eleven billion, six hundred sixty-six million, four hundred seventy-three thousand, four hundred eighty-five".