6581316090 has 32 divisors (see below), whose sum is σ = 15804264960. Its totient is φ = 1754005824.

The previous prime is 6581316061. The next prime is 6581316107. The reversal of 6581316090 is 906131856.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 9589 + ... + 115128.

It is an arithmetic number, because the mean of its divisors is an integer number (493883280).

Almost surely, 2^6581316090 is an apocalyptic number.

6581316090 is an abundant number, since it is smaller than the sum of its proper divisors (9222948870).

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

6581316090 is a wasteful number, since it uses less digits than its factorization.

6581316090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126486.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 6581316090 is about 81125.3110317612. The cubic root of 6581316090 is about 1874.0057391752.

The spelling of 6581316090 in words is "six billion, five hundred eighty-one million, three hundred sixteen thousand, ninety".