71200666170663 has 8 divisors (see below), whose sum is σ = 94942939964400. Its totient is φ = 47462751578688.

The previous prime is 71200666170631. The next prime is 71200666170671. The reversal of 71200666170663 is 36607166600217.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71200666170663 - 2⁵ = 71200666170631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71200666170163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089762328 + ... + 1089827661.

It is an arithmetic number, because the mean of its divisors is an integer number (11867867495550).

Almost surely, 2^{71200666170663} is an apocalyptic number.

71200666170663 is a deficient number, since it is larger than the sum of its proper divisors (23742273793737).

71200666170663 is a wasteful number, since it uses less digits than its factorization.

71200666170663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179600881.

The product of its (nonzero) digits is 2286144, while the sum is 51.

The spelling of 71200666170663 in words is "seventy-one trillion, two hundred billion, six hundred sixty-six million, one hundred seventy thousand, six hundred sixty-three".