2606272665 has 8 divisors (see below), whose sum is σ = 4170036288. Its totient is φ = 1390012080.

The previous prime is 2606272661. The next prime is 2606272751. The reversal of 2606272665 is 5662726062.

It is a happy number.

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

It is not a de Polignac number, because 2606272665 - 2² = 2606272661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2606272661) 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, 86875741 + ... + 86875770.

It is an arithmetic number, because the mean of its divisors is an integer number (521254536).

Almost surely, 2^2606272665 is an apocalyptic number.

It is an amenable number.

2606272665 is a deficient number, since it is larger than the sum of its proper divisors (1563763623).

2606272665 is a wasteful number, since it uses less digits than its factorization.

2606272665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173751519.

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 2606272665 is about 51051.6666231378. Note that the first 4 decimals coincide. The cubic root of 2606272665 is about 1376.1737926176.

The spelling of 2606272665 in words is "two billion, six hundred six million, two hundred seventy-two thousand, six hundred sixty-five".