716166517165 has 64 divisors (see below), whose sum is σ = 994061279232. Its totient is φ = 490535020800.

The previous prime is 716166517163. The next prime is 716166517217. The reversal of 716166517165 is 561715661617.

It is not a de Polignac number, because 716166517165 - 2¹ = 716166517163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716166517163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9443739 + ... + 9519271.

It is an arithmetic number, because the mean of its divisors is an integer number (15532207488).

Almost surely, 2^716166517165 is an apocalyptic number.

It is an amenable number.

716166517165 is a deficient number, since it is larger than the sum of its proper divisors (277894762067).

716166517165 is a wasteful number, since it uses less digits than its factorization.

716166517165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75730.

The product of its digits is 1587600, while the sum is 52.

The spelling of 716166517165 in words is "seven hundred sixteen billion, one hundred sixty-six million, five hundred seventeen thousand, one hundred sixty-five".