6143129966 has 8 divisors (see below), whose sum is σ = 9296241264. Its totient is φ = 3044382880.

The previous prime is 6143129957. The next prime is 6143129987. The reversal of 6143129966 is 6699213416.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6143129966² = 75476091558334322312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6143129966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13590770 + ... + 13591221.

It is an arithmetic number, because the mean of its divisors is an integer number (1162030158).

Almost surely, 2^6143129966 is an apocalyptic number.

6143129966 is a deficient number, since it is larger than the sum of its proper divisors (3153111298).

6143129966 is a wasteful number, since it uses less digits than its factorization.

6143129966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27182106.

The product of its digits is 419904, while the sum is 47.

The square root of 6143129966 is about 78378.1217304931. The cubic root of 6143129966 is about 1831.4563308522.

The spelling of 6143129966 in words is "six billion, one hundred forty-three million, one hundred twenty-nine thousand, nine hundred sixty-six".