71666260114767 has 32 divisors (see below), whose sum is σ = 100943536780800. Its totient is φ = 45101259764352.

The previous prime is 71666260114721. The next prime is 71666260114807. The reversal of 71666260114767 is 76741106266617.

It is not a de Polignac number, because 71666260114767 - 2¹⁰ = 71666260113743 is a prime.

It is a super-2 number, since 2×71666260114767² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71666260114767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71666260104767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105864253 + ... + 106539065.

It is an arithmetic number, because the mean of its divisors is an integer number (3154485524400).

Almost surely, 2^{71666260114767} is an apocalyptic number.

71666260114767 is a deficient number, since it is larger than the sum of its proper divisors (29277276666033).

71666260114767 is a wasteful number, since it uses less digits than its factorization.

71666260114767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681487.

The product of its (nonzero) digits is 21337344, while the sum is 60.

The spelling of 71666260114767 in words is "seventy-one trillion, six hundred sixty-six billion, two hundred sixty million, one hundred fourteen thousand, seven hundred sixty-seven".