168776358976 has 63 divisors (see below), whose sum is σ = 339309021279. Its totient is φ = 83295387648.

The previous prime is 168776358937. The next prime is 168776358979. The reversal of 168776358976 is 679853677861.

The square root of 168776358976 is 410824.

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

168776358976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 22105742400 + 146670616576 = 148680^2 + 382976^2 .

It is a Duffinian number.

Its product of digits (640120320) is a multiple of the sum of its prime factors (1344).

It is a junction number, because it is equal to n+sod(n) for n = 168776358899 and 168776358908.

It is not an unprimeable number, because it can be changed into a prime (168776358979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 292506400 + ... + 292506976.

Almost surely, 2^168776358976 is an apocalyptic number.

168776358976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

168776358976 is the 410824-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168776358976

168776358976 is an abundant number, since it is smaller than the sum of its proper divisors (170532662303).

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

168776358976 is an frugal number, since it uses more digits than its factorization.

168776358976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344 (or 668 counting only the distinct ones).

The product of its digits is 640120320, while the sum is 73.

The spelling of 168776358976 in words is "one hundred sixty-eight billion, seven hundred seventy-six million, three hundred fifty-eight thousand, nine hundred seventy-six".