2066906706 has 16 divisors (see below), whose sum is σ = 4139326848. Its totient is φ = 688050000.

The previous prime is 2066906701. The next prime is 2066906713. The reversal of 2066906706 is 6076096602.

It is not an unprimeable number, because it can be changed into a prime (2066906701) 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, 224845 + ... + 233856.

It is an arithmetic number, because the mean of its divisors is an integer number (258707928).

Almost surely, 2^2066906706 is an apocalyptic number.

2066906706 is an abundant number, since it is smaller than the sum of its proper divisors (2072420142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2066906706 is a wasteful number, since it uses less digits than its factorization.

2066906706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459457.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 2066906706 is about 45463.2456606433. The cubic root of 2066906706 is about 1273.8167581540.

The spelling of 2066906706 in words is "two billion, sixty-six million, nine hundred six thousand, seven hundred six".