2606217121 has 8 divisors (see below), whose sum is σ = 2651611040. Its totient is φ = 2561014368.

The previous prime is 2606217109. The next prime is 2606217149. The reversal of 2606217121 is 1217126062.

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-2606217121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2606217121.

It is not an unprimeable number, because it can be changed into a prime (2606217221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20151 + ... + 74956.

It is an arithmetic number, because the mean of its divisors is an integer number (331451380).

Almost surely, 2^2606217121 is an apocalyptic number.

It is an amenable number.

2606217121 is a deficient number, since it is larger than the sum of its proper divisors (45393919).

2606217121 is an equidigital number, since it uses as much as digits as its factorization.

2606217121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95583.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2606217121 is about 51051.1226223283. The cubic root of 2606217121 is about 1376.1640163649.

The spelling of 2606217121 in words is "two billion, six hundred six million, two hundred seventeen thousand, one hundred twenty-one".