6681064336231 has 4 divisors (see below), whose sum is σ = 6971545394352. Its totient is φ = 6390583278112.

The previous prime is 6681064336153. The next prime is 6681064336267. The reversal of 6681064336231 is 1326334601866.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6681064336231 - 2¹⁹ = 6681063811943 is a prime.

It is a super-2 number, since 2×6681064336231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6681064336831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145240529026 + ... + 145240529071.

It is an arithmetic number, because the mean of its divisors is an integer number (1742886348588).

Almost surely, 2^{6681064336231} is an apocalyptic number.

6681064336231 is a deficient number, since it is larger than the sum of its proper divisors (290481058121).

6681064336231 is a wasteful number, since it uses less digits than its factorization.

6681064336231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290481058120.

The product of its (nonzero) digits is 2239488, while the sum is 49.

The spelling of 6681064336231 in words is "six trillion, six hundred eighty-one billion, sixty-four million, three hundred thirty-six thousand, two hundred thirty-one".