716489066 has 8 divisors (see below), whose sum is σ = 1075520484. Its totient is φ = 357982240.

The previous prime is 716489057. The next prime is 716489083. The reversal of 716489066 is 660984617.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 659411041 + 57078025 = 25679^2 + 7555^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 716489066.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127715 + ... + 133206.

Almost surely, 2^716489066 is an apocalyptic number.

716489066 is a deficient number, since it is larger than the sum of its proper divisors (359031418).

716489066 is a wasteful number, since it uses less digits than its factorization.

716489066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262296.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 716489066 is about 26767.3133877870. The cubic root of 716489066 is about 894.8217307727.

The spelling of 716489066 in words is "seven hundred sixteen million, four hundred eighty-nine thousand, sixty-six".