2066144406 has 16 divisors (see below), whose sum is σ = 4233076848. Its totient is φ = 671916800.

The previous prime is 2066144371. The next prime is 2066144489. The reversal of 2066144406 is 6044416602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4199235 + ... + 4199726.

It is an arithmetic number, because the mean of its divisors is an integer number (264567303).

Almost surely, 2^2066144406 is an apocalyptic number.

2066144406 is an abundant number, since it is smaller than the sum of its proper divisors (2166932442).

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

2066144406 is a wasteful number, since it uses less digits than its factorization.

2066144406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8399007.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 2066144406 is about 45454.8611921761. The cubic root of 2066144406 is about 1273.6601392619.

The spelling of 2066144406 in words is "two billion, sixty-six million, one hundred forty-four thousand, four hundred six".