53268816172416 has 128 divisors (see below), whose sum is σ = 161343049240800. Its totient is φ = 15426263482368.

The previous prime is 53268816172261. The next prime is 53268816172417. The reversal of 53268816172416 is 61427161886235.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 53268816172416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53268816172417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313763271 + ... + 313932998.

Almost surely, 2^{53268816172416} is an apocalyptic number.

It is an amenable number.

53268816172416 is an abundant number, since it is smaller than the sum of its proper divisors (108074233068384).

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

53268816172416 is a wasteful number, since it uses less digits than its factorization.

53268816172416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627696316 (or 627696304 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 60.

The spelling of 53268816172416 in words is "fifty-three trillion, two hundred sixty-eight billion, eight hundred sixteen million, one hundred seventy-two thousand, four hundred sixteen".