260061641 has 16 divisors (see below), whose sum is σ = 306512256. Its totient is φ = 215986176.

The previous prime is 260061623. The next prime is 260061643. The reversal of 260061641 is 146160062.

It is a happy number.

It is not a de Polignac number, because 260061641 - 2¹⁰ = 260060617 is a prime.

It is a super-2 number, since 2×260061641² = 135264114239225762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 260061641.

It is not an unprimeable number, because it can be changed into a prime (260061643) 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 in 15 ways as a sum of consecutive naturals, for example, 64610 + ... + 68516.

It is an arithmetic number, because the mean of its divisors is an integer number (19157016).

Almost surely, 2^260061641 is an apocalyptic number.

It is an amenable number.

260061641 is a deficient number, since it is larger than the sum of its proper divisors (46450615).

260061641 is a wasteful number, since it uses less digits than its factorization.

260061641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 260061641 is about 16126.4267895898. The cubic root of 260061641 is about 638.3008648681.

The spelling of 260061641 in words is "two hundred sixty million, sixty-one thousand, six hundred forty-one".