71008657947166 has 16 divisors (see below), whose sum is σ = 109185238267200. Its totient is φ = 34624507978368.

The previous prime is 71008657947133. The next prime is 71008657947181. The reversal of 71008657947166 is 66174975680017.

It is a super-2 number, since 2×71008657947166² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2732350326 + ... + 2732376313.

It is an arithmetic number, because the mean of its divisors is an integer number (6824077391700).

Almost surely, 2^{71008657947166} is an apocalyptic number.

71008657947166 is a deficient number, since it is larger than the sum of its proper divisors (38176580320034).

71008657947166 is a wasteful number, since it uses less digits than its factorization.

71008657947166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5464726803.

The product of its (nonzero) digits is 106686720, while the sum is 67.

The spelling of 71008657947166 in words is "seventy-one trillion, eight billion, six hundred fifty-seven million, nine hundred forty-seven thousand, one hundred sixty-six".