716168640 has 112 divisors (see below), whose sum is σ = 2480584320. Its totient is φ = 173614080.

The previous prime is 716168611. The next prime is 716168681. The reversal of 716168640 is 46861617.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23350 + ... + 44469.

Almost surely, 2^716168640 is an apocalyptic number.

It is an amenable number.

716168640 is an abundant number, since it is smaller than the sum of its proper divisors (1764415680).

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

716168640 is a wasteful number, since it uses less digits than its factorization.

716168640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67850 (or 67840 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 716168640 is about 26761.3273213419. The cubic root of 716168640 is about 894.6883177569.

The spelling of 716168640 in words is "seven hundred sixteen million, one hundred sixty-eight thousand, six hundred forty".