260664450461 has 8 divisors (see below), whose sum is σ = 261092035584. Its totient is φ = 260237216800.

The previous prime is 260664450427. The next prime is 260664450503. The reversal of 260664450461 is 164054466062.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260664450461 is a prime.

It is a super-2 number, since 2×260664450461² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260664450161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1417721 + ... + 1590993.

It is an arithmetic number, because the mean of its divisors is an integer number (32636504448).

Almost surely, 2^260664450461 is an apocalyptic number.

It is an amenable number.

260664450461 is a deficient number, since it is larger than the sum of its proper divisors (427585123).

260664450461 is a wasteful number, since it uses less digits than its factorization.

260664450461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175731.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 260664450461 in words is "two hundred sixty billion, six hundred sixty-four million, four hundred fifty thousand, four hundred sixty-one".