2606142261 has 8 divisors (see below), whose sum is σ = 3475136704. Its totient is φ = 1737288000.

The previous prime is 2606142241. The next prime is 2606142263. The reversal of 2606142261 is 1622416062.

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

It is not a de Polignac number, because 2606142261 - 2⁶ = 2606142197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606142263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21261 + ... + 75261.

It is an arithmetic number, because the mean of its divisors is an integer number (434392088).

Almost surely, 2^2606142261 is an apocalyptic number.

It is an amenable number.

2606142261 is a deficient number, since it is larger than the sum of its proper divisors (868994443).

2606142261 is a wasteful number, since it uses less digits than its factorization.

2606142261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70091.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2606142261 is about 51050.3894304441. The cubic root of 2606142261 is about 1376.1508400996.

The spelling of 2606142261 in words is "two billion, six hundred six million, one hundred forty-two thousand, two hundred sixty-one".