260101669 has 2 divisors, whose sum is σ = 260101670. Its totient is φ = 260101668.

The previous prime is 260101651. The next prime is 260101693. The reversal of 260101669 is 966101062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217916644 + 42185025 = 14762^2 + 6495^2 .

It is a cyclic number.

It is not a de Polignac number, because 260101669 - 2¹¹ = 260099621 is a prime.

It is a super-2 number, since 2×260101669² = 135305756433171122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260101669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260101069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130050834 + 130050835.

It is an arithmetic number, because the mean of its divisors is an integer number (130050835).

Almost surely, 2^260101669 is an apocalyptic number.

It is an amenable number.

260101669 is a deficient number, since it is larger than the sum of its proper divisors (1).

260101669 is an equidigital number, since it uses as much as digits as its factorization.

260101669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 260101669 is about 16127.6678103190. The cubic root of 260101669 is about 638.3336117151. Note that the first 3 decimals are identical.

The spelling of 260101669 in words is "two hundred sixty million, one hundred one thousand, six hundred sixty-nine".