6531646341006 has 48 divisors (see below), whose sum is σ = 14801305218336. Its totient is φ = 2077744255488.

The previous prime is 6531646340987. The next prime is 6531646341091. The reversal of 6531646341006 is 6001436461356.

6531646341006 is a `hidden beast` number, since 6 + 5 + 3 + 1 + 6 + 4 + 634 + 1 + 0 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18038895 + ... + 18397418.

It is an arithmetic number, because the mean of its divisors is an integer number (308360525382).

Almost surely, 2^{6531646341006} is an apocalyptic number.

6531646341006 is an abundant number, since it is smaller than the sum of its proper divisors (8269658877330).

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

6531646341006 is a wasteful number, since it uses less digits than its factorization.

6531646341006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36436777 (or 36436774 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 6531646341006 in words is "six trillion, five hundred thirty-one billion, six hundred forty-six million, three hundred forty-one thousand, six".