2067720711 has 16 divisors (see below), whose sum is σ = 3151488000. Its totient is φ = 1181301408.

The previous prime is 2067720709. The next prime is 2067720737. The reversal of 2067720711 is 1170277602.

It is a happy number.

It is not a de Polignac number, because 2067720711 - 2¹ = 2067720709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2067720311) 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, 139065 + ... + 153213.

It is an arithmetic number, because the mean of its divisors is an integer number (196968000).

Almost surely, 2^2067720711 is an apocalyptic number.

2067720711 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2067720711 is a deficient number, since it is larger than the sum of its proper divisors (1083767289).

2067720711 is a wasteful number, since it uses less digits than its factorization.

2067720711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21118.

The product of its (nonzero) digits is 8232, while the sum is 33.

The square root of 2067720711 is about 45472.1971208782. The cubic root of 2067720711 is about 1273.9839576246.

The spelling of 2067720711 in words is "two billion, sixty-seven million, seven hundred twenty thousand, seven hundred eleven".