6535672126 has 16 divisors (see below), whose sum is σ = 9977629248. Its totient is φ = 3209940000.

The previous prime is 6535672109. The next prime is 6535672139. The reversal of 6535672126 is 6212765356.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55956 + ... + 127288.

It is an arithmetic number, because the mean of its divisors is an integer number (623601828).

Almost surely, 2^6535672126 is an apocalyptic number.

6535672126 is a deficient number, since it is larger than the sum of its proper divisors (3441957122).

6535672126 is a wasteful number, since it uses less digits than its factorization.

6535672126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72147.

The product of its digits is 453600, while the sum is 43.

The square root of 6535672126 is about 80843.5039196100. The cubic root of 6535672126 is about 1869.6633675832.

The spelling of 6535672126 in words is "six billion, five hundred thirty-five million, six hundred seventy-two thousand, one hundred twenty-six".