990630052416 has 189 divisors, whose sum is σ = 2872639835481. Its totient is φ = 326396012544.

The previous prime is 990630052403. The next prime is 990630052421. The reversal of 990630052416 is 614250036099.

The square root of 990630052416 is 995304.

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

990630052416 is a `hidden beast` number, since 9 + 9 + 0 + 630 + 0 + 5 + 2 + 4 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17455694400 + 973174358016 = 132120^2 + 986496^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2699264265 + ... + 2699264631.

Almost surely, 2^990630052416 is an apocalyptic number.

990630052416 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

990630052416 is the 995304-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 990630052416

990630052416 is an abundant number, since it is smaller than the sum of its proper divisors (1882009783065).

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

990630052416 is an equidigital number, since it uses as much as digits as its factorization.

990630052416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 990630052416 in words is "nine hundred ninety billion, six hundred thirty million, fifty-two thousand, four hundred sixteen".