716666836 has 6 divisors (see below), whose sum is σ = 1254166970. Its totient is φ = 358333416.

The previous prime is 716666803. The next prime is 716666861. The reversal of 716666836 is 638666617.

It can be written as a sum of positive squares in only one way, i.e., 511031236 + 205635600 = 22606^2 + 14340^2 .

It is a super-2 number, since 2×716666836² = 1027222707644501792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 716666836.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89583351 + ... + 89583358.

Almost surely, 2^716666836 is an apocalyptic number.

It is an amenable number.

716666836 is a deficient number, since it is larger than the sum of its proper divisors (537500134).

716666836 is a wasteful number, since it uses less digits than its factorization.

716666836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179166713 (or 179166711 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The square root of 716666836 is about 26770.6338363514. The cubic root of 716666836 is about 894.8957301829.

The spelling of 716666836 in words is "seven hundred sixteen million, six hundred sixty-six thousand, eight hundred thirty-six".