2172606711 has 16 divisors (see below), whose sum is σ = 3163269888. Its totient is φ = 1315433600.

The previous prime is 2172606701. The next prime is 2172606719. The reversal of 2172606711 is 1176062712.

It is a cyclic number.

It is not a de Polignac number, because 2172606711 - 2¹¹ = 2172604663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172606719) 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 15 ways as a sum of consecutive naturals, for example, 2095 + ... + 65951.

It is an arithmetic number, because the mean of its divisors is an integer number (197704368).

Almost surely, 2^2172606711 is an apocalyptic number.

2172606711 is a deficient number, since it is larger than the sum of its proper divisors (990663177).

2172606711 is a wasteful number, since it uses less digits than its factorization.

2172606711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64902.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 2172606711 is about 46611.2294517105. The cubic root of 2172606711 is about 1295.1707831193.

The spelling of 2172606711 in words is "two billion, one hundred seventy-two million, six hundred six thousand, seven hundred eleven".