3660659143 has 4 divisors (see below), whose sum is σ = 3667231800. Its totient is φ = 3654086488.

The previous prime is 3660659131. The next prime is 3660659179. The reversal of 3660659143 is 3419560663.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3660659143 is a prime.

It is a super-2 number, since 2×3660659143² = 26800850722458988898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3660659143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660659843) 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 3 ways as a sum of consecutive naturals, for example, 3285493 + ... + 3286606.

It is an arithmetic number, because the mean of its divisors is an integer number (916807950).

Almost surely, 2^3660659143 is an apocalyptic number.

3660659143 is a deficient number, since it is larger than the sum of its proper divisors (6572657).

3660659143 is an equidigital number, since it uses as much as digits as its factorization.

3660659143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6572656.

The product of its (nonzero) digits is 349920, while the sum is 43.

The square root of 3660659143 is about 60503.3812526209. The cubic root of 3660659143 is about 1541.1790519488.

The spelling of 3660659143 in words is "three billion, six hundred sixty million, six hundred fifty-nine thousand, one hundred forty-three".