63169784896 has 63 divisors (see below), whose sum is σ = 127136981311. Its totient is φ = 31141535744.

The previous prime is 63169784891. The next prime is 63169784903. The reversal of 63169784896 is 69848796136.

The square root of 63169784896 is 251336.

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

It can be written as a sum of positive squares in 4 ways, for example, as 10791054400 + 52378730496 = 103880^2 + 228864^2 .

It is a Duffinian number.

Its product of digits (94058496) is a multiple of the sum of its prime factors (896).

It is not an unprimeable number, because it can be changed into a prime (63169784891) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 178951056 + ... + 178951408.

Almost surely, 2^63169784896 is an apocalyptic number.

63169784896 is the 251336-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63169784896

63169784896 is an abundant number, since it is smaller than the sum of its proper divisors (63967196415).

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

63169784896 is an frugal number, since it uses more digits than its factorization.

63169784896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896 (or 444 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 67.

The spelling of 63169784896 in words is "sixty-three billion, one hundred sixty-nine million, seven hundred eighty-four thousand, eight hundred ninety-six".