2066643324 has 36 divisors (see below), whose sum is σ = 5237079120. Its totient is φ = 687158400.

The previous prime is 2066643289. The next prime is 2066643347. The reversal of 2066643324 is 4233466602.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 57144 + ... + 86015.

It is an arithmetic number, because the mean of its divisors is an integer number (145474420).

Almost surely, 2^2066643324 is an apocalyptic number.

It is an amenable number.

2066643324 is an abundant number, since it is smaller than the sum of its proper divisors (3170435796).

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

2066643324 is a wasteful number, since it uses less digits than its factorization.

2066643324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143570 (or 143565 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The square root of 2066643324 is about 45460.3489207903. The cubic root of 2066643324 is about 1273.7626491714.

The spelling of 2066643324 in words is "two billion, sixty-six million, six hundred forty-three thousand, three hundred twenty-four".