3660621840203 has 2 divisors, whose sum is σ = 3660621840204. Its totient is φ = 3660621840202.

The previous prime is 3660621840181. The next prime is 3660621840217. The reversal of 3660621840203 is 3020481260663.

3660621840203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (3020481260663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3660621840203 - 2¹⁰ = 3660621839179 is a prime.

It is not a weakly prime, because it can be changed into another prime (3660621840233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830310920101 + 1830310920102.

It is an arithmetic number, because the mean of its divisors is an integer number (1830310920102).

Almost surely, 2^{3660621840203} is an apocalyptic number.

3660621840203 is a deficient number, since it is larger than the sum of its proper divisors (1).

3660621840203 is an equidigital number, since it uses as much as digits as its factorization.

3660621840203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 3660621840203 in words is "three trillion, six hundred sixty billion, six hundred twenty-one million, eight hundred forty thousand, two hundred three".