260054631661 has 16 divisors (see below), whose sum is σ = 287775590400. Its totient is φ = 233015554800.

The previous prime is 260054631653. The next prime is 260054631721. The reversal of 260054631661 is 166136450062.

It is a cyclic number.

It is not a de Polignac number, because 260054631661 - 2³ = 260054631653 is a prime.

It is a super-2 number, since 2×260054631661² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260054631631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2732800 + ... + 2826358.

It is an arithmetic number, because the mean of its divisors is an integer number (17985974400).

Almost surely, 2^260054631661 is an apocalyptic number.

It is an amenable number.

260054631661 is a deficient number, since it is larger than the sum of its proper divisors (27720958739).

260054631661 is a wasteful number, since it uses less digits than its factorization.

260054631661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97200.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 260054631661 in words is "two hundred sixty billion, fifty-four million, six hundred thirty-one thousand, six hundred sixty-one".