538401136580160 has 672 divisors, whose sum is σ = 2019341794176000. Its totient is φ = 119054305751040.

The previous prime is 538401136580119. The next prime is 538401136580189. The reversal of 538401136580160 is 61085631104835.

It is a tau number, because it is divible by the number of its divisors (672).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22596250167 + ... + 22596273993.

It is an arithmetic number, because the mean of its divisors is an integer number (3004972908000).

Almost surely, 2^{538401136580160} 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 538401136580160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009670897088000).

538401136580160 is an abundant number, since it is smaller than the sum of its proper divisors (1480940657595840).

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

538401136580160 is a wasteful number, since it uses less digits than its factorization.

538401136580160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27415 (or 27374 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

Adding to 538401136580160 its reverse (61085631104835), we get a palindrome (599486767684995).

The spelling of 538401136580160 in words is "five hundred thirty-eight trillion, four hundred one billion, one hundred thirty-six million, five hundred eighty thousand, one hundred sixty".