6671043402 has 16 divisors (see below), whose sum is σ = 13438074720. Its totient is φ = 2207683152.

The previous prime is 6671043383. The next prime is 6671043403. The reversal of 6671043402 is 2043401766.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6671043403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3998593 + ... + 4000260.

It is an arithmetic number, because the mean of its divisors is an integer number (839879670).

Almost surely, 2^6671043402 is an apocalyptic number.

6671043402 is an abundant number, since it is smaller than the sum of its proper divisors (6767031318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6671043402 is a wasteful number, since it uses less digits than its factorization.

6671043402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7998997.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 6671043402 is about 81676.4556160464. The cubic root of 6671043402 is about 1882.4838342271.

The spelling of 6671043402 in words is "six billion, six hundred seventy-one million, forty-three thousand, four hundred two".