3660752121 has 16 divisors (see below), whose sum is σ = 5368306944. Its totient is φ = 2204838144.

The previous prime is 3660752107. The next prime is 3660752129. The reversal of 3660752121 is 1212570663.

It is not a de Polignac number, because 3660752121 - 2⁹ = 3660751609 is a prime.

It is a super-2 number, since 2×3660752121² = 26802212182811997282, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3660752129) 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 in 15 ways as a sum of consecutive naturals, for example, 996736 + ... + 1000401.

It is an arithmetic number, because the mean of its divisors is an integer number (335519184).

Almost surely, 2^3660752121 is an apocalyptic number.

It is an amenable number.

3660752121 is a deficient number, since it is larger than the sum of its proper divisors (1707554823).

3660752121 is a wasteful number, since it uses less digits than its factorization.

3660752121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997200.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 3660752121 is about 60504.1496180221. The cubic root of 3660752121 is about 1541.1921001028.

The spelling of 3660752121 in words is "three billion, six hundred sixty million, seven hundred fifty-two thousand, one hundred twenty-one".