2066411617 has 4 divisors (see below), whose sum is σ = 2137667220. Its totient is φ = 1995156016.

The previous prime is 2066411579. The next prime is 2066411651. The reversal of 2066411617 is 7161146602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1242492001 + 823919616 = 35249^2 + 28704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2066411617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2066411687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35627758 + ... + 35627815.

It is an arithmetic number, because the mean of its divisors is an integer number (534416805).

Almost surely, 2^2066411617 is an apocalyptic number.

It is an amenable number.

2066411617 is a deficient number, since it is larger than the sum of its proper divisors (71255603).

2066411617 is an equidigital number, since it uses as much as digits as its factorization.

2066411617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71255602.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2066411617 is about 45457.8003977315. The cubic root of 2066411617 is about 1273.7150436735.

The spelling of 2066411617 in words is "two billion, sixty-six million, four hundred eleven thousand, six hundred seventeen".