2066946624 has 84 divisors (see below), whose sum is σ = 5955546636. Its totient is φ = 685375488.

The previous prime is 2066946611. The next prime is 2066946641. The reversal of 2066946624 is 4266496602.

It can be written as a sum of positive squares in 2 ways, for example, as 839145024 + 1227801600 = 28968^2 + 35040^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2066946624.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101872 + ... + 120464.

Almost surely, 2^2066946624 is an apocalyptic number.

2066946624 is a gapful number since it is divisible by the number (24) 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 2066946624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2977773318).

2066946624 is an abundant number, since it is smaller than the sum of its proper divisors (3888600012).

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

2066946624 is a wasteful number, since it uses less digits than its factorization.

2066946624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18804 (or 18791 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The square root of 2066946624 is about 45463.6846724944. The cubic root of 2066946624 is about 1273.8249584741.

The spelling of 2066946624 in words is "two billion, sixty-six million, nine hundred forty-six thousand, six hundred twenty-four".