3660646111 has 2 divisors, whose sum is σ = 3660646112. Its totient is φ = 3660646110.

The previous prime is 3660646079. The next prime is 3660646117. The reversal of 3660646111 is 1116460663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3660646111 - 2⁵ = 3660646079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3660646117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830323055 + 1830323056.

It is an arithmetic number, because the mean of its divisors is an integer number (1830323056).

Almost surely, 2^3660646111 is an apocalyptic number.

3660646111 is a deficient number, since it is larger than the sum of its proper divisors (1).

3660646111 is an equidigital number, since it uses as much as digits as its factorization.

3660646111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 3660646111 is about 60503.2735560647. The cubic root of 3660646111 is about 1541.1772230734.

The spelling of 3660646111 in words is "three billion, six hundred sixty million, six hundred forty-six thousand, one hundred eleven".