990713659716 has 225 divisors, whose sum is σ = 2855143182045. Its totient is φ = 299559332160.

The previous prime is 990713659697. The next prime is 990713659799. The reversal of 990713659716 is 617956317099.

The square root of 990713659716 is 995346.

It is a perfect power (a square), and thus also a powerful number.

990713659716 is a `hidden beast` number, since 9 + 9 + 0 + 7 + 1 + 36 + 597 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 856827922500 + 133885737216 = 925650^2 + 365904^2 .

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 74 ways as a sum of consecutive naturals, for example, 2167863360 + ... + 2167863816.

Almost surely, 2^990713659716 is an apocalyptic number.

990713659716 is the 995346-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 990713659716

990713659716 is an abundant number, since it is smaller than the sum of its proper divisors (1864429522329).

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

990713659716 is an frugal number, since it uses more digits than its factorization.

990713659716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 19289340, while the sum is 63.

The spelling of 990713659716 in words is "nine hundred ninety billion, seven hundred thirteen million, six hundred fifty-nine thousand, seven hundred sixteen".