2260664602261 has 8 divisors (see below), whose sum is σ = 2448012500024. Its totient is φ = 2075238221760.

The previous prime is 2260664602237. The next prime is 2260664602309. The reversal of 2260664602261 is 1622064660622.

It can be written as a sum of positive squares in 4 ways, for example, as 6612779761 + 2254051822500 = 81319^2 + 1501350^2 .

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 2260664602261 - 2²⁷ = 2260530384533 is a prime.

It is a super-2 number, since 2×2260664602261² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2260664602661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480376866 + ... + 480381571.

It is an arithmetic number, because the mean of its divisors is an integer number (306001562503).

Almost surely, 2^{2260664602261} is an apocalyptic number.

It is an amenable number.

2260664602261 is a deficient number, since it is larger than the sum of its proper divisors (187347897763).

2260664602261 is a wasteful number, since it uses less digits than its factorization.

2260664602261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960758631.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 2260664602261 in words is "two trillion, two hundred sixty billion, six hundred sixty-four million, six hundred two thousand, two hundred sixty-one".