2000166672 has 120 divisors (see below), whose sum is σ = 6150799776. Its totient is φ = 558157824.

The previous prime is 2000166667. The next prime is 2000166691. The reversal of 2000166672 is 2766610002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91248 + ... + 111024.

Almost surely, 2^2000166672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000166672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3075399888).

2000166672 is an abundant number, since it is smaller than the sum of its proper divisors (4150633104).

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

2000166672 is a wasteful number, since it uses less digits than its factorization.

2000166672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19845 (or 19832 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 2000166672 is about 44723.2229607840. Note that the first 3 decimals coincide. The cubic root of 2000166672 is about 1259.9560478496.

Adding to 2000166672 its reverse (2766610002), we get a palindrome (4766776674).

The spelling of 2000166672 in words is "two billion, one hundred sixty-six thousand, six hundred seventy-two".