6646110142 has 32 divisors (see below), whose sum is σ = 11518560000. Its totient is φ = 2817134208.

The previous prime is 6646110139. The next prime is 6646110157. The reversal of 6646110142 is 2410116466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 785209 + ... + 793627.

It is an arithmetic number, because the mean of its divisors is an integer number (359955000).

Almost surely, 2^6646110142 is an apocalyptic number.

6646110142 is a deficient number, since it is larger than the sum of its proper divisors (4872449858).

6646110142 is a wasteful number, since it uses less digits than its factorization.

6646110142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9040.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 6646110142 is about 81523.6784130844. The cubic root of 6646110142 is about 1880.1356230438.

The spelling of 6646110142 in words is "six billion, six hundred forty-six million, one hundred ten thousand, one hundred forty-two".