8068666435731 has 12 divisors (see below), whose sum is σ = 12714262262520. Its totient is φ = 4890100870080.

The previous prime is 8068666435721. The next prime is 8068666435763. The reversal of 8068666435731 is 1375346668608.

It is not a de Polignac number, because 8068666435731 - 2¹¹ = 8068666433683 is a prime.

It is a super-2 number, since 2×8068666435731² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8068666435721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40750840486 + ... + 40750840683.

It is an arithmetic number, because the mean of its divisors is an integer number (1059521855210).

Almost surely, 2^{8068666435731} is an apocalyptic number.

8068666435731 is a deficient number, since it is larger than the sum of its proper divisors (4645595826789).

8068666435731 is a wasteful number, since it uses less digits than its factorization.

8068666435731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81501681186 (or 81501681183 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 63.

The spelling of 8068666435731 in words is "eight trillion, sixty-eight billion, six hundred sixty-six million, four hundred thirty-five thousand, seven hundred thirty-one".