6670143447 has 16 divisors (see below), whose sum is σ = 9752832000. Its totient is φ = 4021342400.

The previous prime is 6670143421. The next prime is 6670143481. The reversal of 6670143447 is 7443410766.

It is a cyclic number.

It is not a de Polignac number, because 6670143447 - 2⁶ = 6670143383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6670143399 and 6670143408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6670143407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522822 + ... + 535427.

It is an arithmetic number, because the mean of its divisors is an integer number (609552000).

Almost surely, 2^6670143447 is an apocalyptic number.

6670143447 is a deficient number, since it is larger than the sum of its proper divisors (3082688553).

6670143447 is a wasteful number, since it uses less digits than its factorization.

6670143447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058454.

The product of its (nonzero) digits is 338688, while the sum is 42.

The square root of 6670143447 is about 81670.9461620226. The cubic root of 6670143447 is about 1882.3991784581.

The spelling of 6670143447 in words is "six billion, six hundred seventy million, one hundred forty-three thousand, four hundred forty-seven".