2071611806 has 32 divisors (see below), whose sum is σ = 3622931712. Its totient is φ = 877951360.

The previous prime is 2071611803. The next prime is 2071611821. The reversal of 2071611806 is 6081161702.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2071611803) 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, 14135 + ... + 65901.

It is an arithmetic number, because the mean of its divisors is an integer number (113216616).

Almost surely, 2^2071611806 is an apocalyptic number.

2071611806 is a deficient number, since it is larger than the sum of its proper divisors (1551319906).

2071611806 is a wasteful number, since it uses less digits than its factorization.

2071611806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51904.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 2071611806 is about 45514.9624409380. The cubic root of 2071611806 is about 1274.7825964833.

The spelling of 2071611806 in words is "two billion, seventy-one million, six hundred eleven thousand, eight hundred six".