2084871666 has 8 divisors (see below), whose sum is σ = 4169743344. Its totient is φ = 694957220.

The previous prime is 2084871661. The next prime is 2084871673. The reversal of 2084871666 is 6661784802.

It is a sphenic number, since it is the product of 3 distinct primes.

2084871666 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2084871661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173739300 + ... + 173739311.

It is an arithmetic number, because the mean of its divisors is an integer number (521217918).

Almost surely, 2^2084871666 is an apocalyptic number.

2084871666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2084871666 is a wasteful number, since it uses less digits than its factorization.

2084871666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347478616.

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 2084871666 is about 45660.3949391593. The cubic root of 2084871666 is about 1277.4966670026.

The spelling of 2084871666 in words is "two billion, eighty-four million, eight hundred seventy-one thousand, six hundred sixty-six".