538816158720 has 1056 divisors, whose sum is σ = 2284751484288. Its totient is φ = 114605162496.

The previous prime is 538816158709. The next prime is 538816158731. The reversal of 538816158720 is 27851618835.

538816158720 is a `hidden beast` number, since 5 + 38 + 8 + 1 + 6 + 1 + 587 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (538816158709) and next prime (538816158731).

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 531900934 + ... + 531901946.

Almost surely, 2^538816158720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538816158720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142375742144).

538816158720 is an abundant number, since it is smaller than the sum of its proper divisors (1745935325568).

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

538816158720 is a wasteful number, since it uses less digits than its factorization.

538816158720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The spelling of 538816158720 in words is "five hundred thirty-eight billion, eight hundred sixteen million, one hundred fifty-eight thousand, seven hundred twenty".