6581051653 has 8 divisors (see below), whose sum is σ = 7220830176. Its totient is φ = 5948190000.

The previous prime is 6581051647. The next prime is 6581051669. The reversal of 6581051653 is 3561501856.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6581051653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6581051623) 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, 1727223 + ... + 1731028.

It is an arithmetic number, because the mean of its divisors is an integer number (902603772).

Almost surely, 2^6581051653 is an apocalyptic number.

It is an amenable number.

6581051653 is a deficient number, since it is larger than the sum of its proper divisors (639778523).

6581051653 is a wasteful number, since it uses less digits than its factorization.

6581051653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458435.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 6581051653 is about 81123.6812096197. The cubic root of 6581051653 is about 1873.9806396821.

The spelling of 6581051653 in words is "six billion, five hundred eighty-one million, fifty-one thousand, six hundred fifty-three".