2066466100 has 72 divisors (see below), whose sum is σ = 4538772000. Its totient is φ = 816604800.

The previous prime is 2066466089. The next prime is 2066466173. The reversal of 2066466100 is 16646602.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4931691 + ... + 4932109.

It is an arithmetic number, because the mean of its divisors is an integer number (63038500).

Almost surely, 2^2066466100 is an apocalyptic number.

2066466100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2066466100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2269386000).

2066466100 is an abundant number, since it is smaller than the sum of its proper divisors (2472305900).

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

2066466100 is a wasteful number, since it uses less digits than its factorization.

2066466100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2066466100 is about 45458.3996638685. The cubic root of 2066466100 is about 1273.7262378303.

The spelling of 2066466100 in words is "two billion, sixty-six million, four hundred sixty-six thousand, one hundred".