538163268816 has 80 divisors (see below), whose sum is σ = 1450907385984. Its totient is φ = 171563876352.

The previous prime is 538163268763. The next prime is 538163268817. The reversal of 538163268816 is 618862361835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538163268817) 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, 8731740 + ... + 8793156.

Almost surely, 2^538163268816 is an apocalyptic number.

It is an amenable number.

538163268816 is an abundant number, since it is smaller than the sum of its proper divisors (912744117168).

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

538163268816 is a wasteful number, since it uses less digits than its factorization.

538163268816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69388 (or 69382 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 57.

The spelling of 538163268816 in words is "five hundred thirty-eight billion, one hundred sixty-three million, two hundred sixty-eight thousand, eight hundred sixteen".