6581272696 has 32 divisors (see below), whose sum is σ = 13102871040. Its totient is φ = 3088273408.

The previous prime is 6581272667. The next prime is 6581272697. The reversal of 6581272696 is 6962721856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6581272697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20536 + ... + 116551.

It is an arithmetic number, because the mean of its divisors is an integer number (409464720).

Almost surely, 2^6581272696 is an apocalyptic number.

It is an amenable number.

6581272696 is a deficient number, since it is larger than the sum of its proper divisors (6521598344).

6581272696 is a wasteful number, since it uses less digits than its factorization.

6581272696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137463 (or 137459 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 6581272696 is about 81125.0435808820. The cubic root of 6581272696 is about 1874.0016204051.

The spelling of 6581272696 in words is "six billion, five hundred eighty-one million, two hundred seventy-two thousand, six hundred ninety-six".