2660261417 has 4 divisors (see below), whose sum is σ = 2902103376. Its totient is φ = 2418419460.

The previous prime is 2660261413. The next prime is 2660261447. The reversal of 2660261417 is 7141620662.

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 2660261417 - 2² = 2660261413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2660261413) 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, 120920963 + ... + 120920984.

It is an arithmetic number, because the mean of its divisors is an integer number (725525844).

Almost surely, 2^2660261417 is an apocalyptic number.

It is an amenable number.

2660261417 is a deficient number, since it is larger than the sum of its proper divisors (241841959).

2660261417 is a wasteful number, since it uses less digits than its factorization.

2660261417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241841958.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 2660261417 is about 51577.7220997593. The cubic root of 2660261417 is about 1385.6113705363.

The spelling of 2660261417 in words is "two billion, six hundred sixty million, two hundred sixty-one thousand, four hundred seventeen".