716661396 has 36 divisors (see below), whose sum is σ = 1976249184. Its totient is φ = 217170000.

The previous prime is 716661391. The next prime is 716661403. The reversal of 716661396 is 693166617.

716661396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716661391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 904480 + ... + 905271.

Almost surely, 2^716661396 is an apocalyptic number.

It is an amenable number.

716661396 is an abundant number, since it is smaller than the sum of its proper divisors (1259587788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

716661396 is a wasteful number, since it uses less digits than its factorization.

716661396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809772 (or 1809767 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 716661396 is about 26770.5322322885. The cubic root of 716661396 is about 894.8934658834.

The spelling of 716661396 in words is "seven hundred sixteen million, six hundred sixty-one thousand, three hundred ninety-six".