716218161 has 8 divisors (see below), whose sum is σ = 955133280. Its totient is φ = 477390912.

The previous prime is 716218159. The next prime is 716218163. The reversal of 716218161 is 161812617.

It is a happy number.

716218161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (716218159) and next prime (716218163).

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

It is not a de Polignac number, because 716218161 - 2¹ = 716218159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (716218163) 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, 270 + ... + 37848.

It is an arithmetic number, because the mean of its divisors is an integer number (119391660).

Almost surely, 2^716218161 is an apocalyptic number.

It is an amenable number.

716218161 is a deficient number, since it is larger than the sum of its proper divisors (238915119).

716218161 is a wasteful number, since it uses less digits than its factorization.

716218161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43935.

The product of its digits is 4032, while the sum is 33.

The square root of 716218161 is about 26762.2525397247. The cubic root of 716218161 is about 894.7089389889.

The spelling of 716218161 in words is "seven hundred sixteen million, two hundred eighteen thousand, one hundred sixty-one".