2066411616 has 24 divisors (see below), whose sum is σ = 5424330744. Its totient is φ = 688803840.

The previous prime is 2066411579. The next prime is 2066411651. The reversal of 2066411616 is 6161146602.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10762465 + ... + 10762656.

It is an arithmetic number, because the mean of its divisors is an integer number (226013781).

Almost surely, 2^2066411616 is an apocalyptic number.

It is an amenable number.

2066411616 is an abundant number, since it is smaller than the sum of its proper divisors (3357919128).

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

2066411616 is a wasteful number, since it uses less digits than its factorization.

2066411616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21525134 (or 21525126 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2066411616 is about 45457.8003867323. The cubic root of 2066411616 is about 1273.7150434681.

The spelling of 2066411616 in words is "two billion, sixty-six million, four hundred eleven thousand, six hundred sixteen".