4243661164 has 12 divisors (see below), whose sum is σ = 7427778624. Its totient is φ = 2121438704.

The previous prime is 4243661143. The next prime is 4243661197. The reversal of 4243661164 is 4611663424.

It is an unprimeable number.

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, 72892 + ... + 117475.

It is an arithmetic number, because the mean of its divisors is an integer number (618981552).

Almost surely, 2^4243661164 is an apocalyptic number.

It is an amenable number.

4243661164 is a deficient number, since it is larger than the sum of its proper divisors (3184117460).

4243661164 is a wasteful number, since it uses less digits than its factorization.

4243661164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195944 (or 195942 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 4243661164 is about 65143.3892578518. The cubic root of 4243661164 is about 1619.0001913910. Note that the first 3 decimals are identical.

The spelling of 4243661164 in words is "four billion, two hundred forty-three million, six hundred sixty-one thousand, one hundred sixty-four".