6542166006 has 24 divisors (see below), whose sum is σ = 14188220904. Its totient is φ = 2178640800.

The previous prime is 6542165963. The next prime is 6542166031. The reversal of 6542166006 is 6006612456.

It is a happy number.

6542166006 is a `hidden beast` number, since 6 + 5 + 42 + 1 + 6 + 600 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 153991 + ... + 191826.

It is an arithmetic number, because the mean of its divisors is an integer number (591175871).

Almost surely, 2^6542166006 is an apocalyptic number.

6542166006 is an abundant number, since it is smaller than the sum of its proper divisors (7646054898).

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

6542166006 is a wasteful number, since it uses less digits than its factorization.

6542166006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346876 (or 346873 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 6542166006 is about 80883.6572244356. The cubic root of 6542166006 is about 1870.2823985612.

The spelling of 6542166006 in words is "six billion, five hundred forty-two million, one hundred sixty-six thousand, six".