6581675412 has 72 divisors (see below), whose sum is σ = 18580403296. Its totient is φ = 2025127008.

The previous prime is 6581675393. The next prime is 6581675461. The reversal of 6581675412 is 2145761856.

6581675412 is a `hidden beast` number, since 6 + 581 + 6 + 7 + 54 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 247798 + ... + 273069.

Almost surely, 2^6581675412 is an apocalyptic number.

It is an amenable number.

6581675412 is an abundant number, since it is smaller than the sum of its proper divisors (11998727884).

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

6581675412 is a wasteful number, since it uses less digits than its factorization.

6581675412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520899 (or 520885 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 6581675412 is about 81127.5256124578. The cubic root of 6581675412 is about 1874.0398437639.

The spelling of 6581675412 in words is "six billion, five hundred eighty-one million, six hundred seventy-five thousand, four hundred twelve".