2066413365 has 24 divisors (see below), whose sum is σ = 3600356760. Its totient is φ = 1096372224.

The previous prime is 2066413351. The next prime is 2066413379. The reversal of 2066413365 is 5633146602.

2066413365 is a `hidden beast` number, since 2 + 0 + 6 + 641 + 3 + 3 + 6 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (2066413351) and next prime (2066413379).

It can be written as a sum of positive squares in 4 ways, for example, as 427621041 + 1638792324 = 20679^2 + 40482^2 .

It is not a de Polignac number, because 2066413365 - 2⁶ = 2066413301 is a prime.

It is a congruent number.

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, 110280 + ... + 127649.

It is an arithmetic number, because the mean of its divisors is an integer number (150014865).

Almost surely, 2^2066413365 is an apocalyptic number.

It is an amenable number.

2066413365 is a deficient number, since it is larger than the sum of its proper divisors (1533943395).

2066413365 is a wasteful number, since it uses less digits than its factorization.

2066413365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238133 (or 238130 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 2066413365 is about 45457.8196243507. The cubic root of 2066413365 is about 1273.7154028232.

Adding to 2066413365 its reverse (5633146602), we get a palindrome (7699559967).

It can be divided in two parts, 206 and 6413365, that added together give a triangular number (6413571 = T₃₅₈₁).

The spelling of 2066413365 in words is "two billion, sixty-six million, four hundred thirteen thousand, three hundred sixty-five".