2100664706 has 32 divisors (see below), whose sum is σ = 3732842880. Its totient is φ = 867484800.

The previous prime is 2100664697. The next prime is 2100664711. The reversal of 2100664706 is 6074660012.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206561 + ... + 216491.

It is an arithmetic number, because the mean of its divisors is an integer number (116651340).

Almost surely, 2^2100664706 is an apocalyptic number.

2100664706 is a deficient number, since it is larger than the sum of its proper divisors (1632178174).

2100664706 is a wasteful number, since it uses less digits than its factorization.

2100664706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10490.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2100664706 is about 45833.0089127912. The cubic root of 2100664706 is about 1280.7142632193.

The spelling of 2100664706 in words is "two billion, one hundred million, six hundred sixty-four thousand, seven hundred six".