3660612217 has 2 divisors, whose sum is σ = 3660612218. Its totient is φ = 3660612216.

The previous prime is 3660612211. The next prime is 3660612223. The reversal of 3660612217 is 7122160663.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (3660612211) and next prime (3660612223).

It can be written as a sum of positive squares in only one way, i.e., 3632352361 + 28259856 = 60269^2 + 5316^2 .

It is a cyclic number.

It is not a de Polignac number, because 3660612217 - 2³ = 3660612209 is a prime.

It is not a weakly prime, because it can be changed into another prime (3660612211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830306108 + 1830306109.

It is an arithmetic number, because the mean of its divisors is an integer number (1830306109).

Almost surely, 2^3660612217 is an apocalyptic number.

It is an amenable number.

3660612217 is a deficient number, since it is larger than the sum of its proper divisors (1).

3660612217 is an equidigital number, since it uses as much as digits as its factorization.

3660612217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 3660612217 is about 60502.9934548697. The cubic root of 3660612217 is about 1541.1724664611.

The spelling of 3660612217 in words is "three billion, six hundred sixty million, six hundred twelve thousand, two hundred seventeen".