716665061 has 8 divisors (see below), whose sum is σ = 819278400. Its totient is φ = 614109888.

The previous prime is 716665051. The next prime is 716665067. The reversal of 716665061 is 160566617.

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

It is not a de Polignac number, because 716665061 - 2¹⁴ = 716648677 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 (716665067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16205 + ... + 41181.

It is an arithmetic number, because the mean of its divisors is an integer number (102409800).

Almost surely, 2^716665061 is an apocalyptic number.

It is an amenable number.

716665061 is a deficient number, since it is larger than the sum of its proper divisors (102613339).

716665061 is a wasteful number, since it uses less digits than its factorization.

716665061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29083.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 716665061 is about 26770.6006843328. The cubic root of 716665061 is about 894.8949913732.

It can be divided in two parts, 7166 and 65061, that added together give a palindrome (72227).

The spelling of 716665061 in words is "seven hundred sixteen million, six hundred sixty-five thousand, sixty-one".