538865016201 has 24 divisors (see below), whose sum is σ = 807227313984. Its totient is φ = 359226180720.

The previous prime is 538865016187. The next prime is 538865016211. The reversal of 538865016201 is 102610568835.

538865016201 is a `hidden beast` number, since 5 + 3 + 8 + 86 + 501 + 62 + 0 + 1 = 666.

It is not a de Polignac number, because 538865016201 - 2⁵ = 538865016169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538865016211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6938155 + ... + 7015391.

It is an arithmetic number, because the mean of its divisors is an integer number (33634471416).

Almost surely, 2^538865016201 is an apocalyptic number.

It is an amenable number.

538865016201 is a deficient number, since it is larger than the sum of its proper divisors (268362297783).

538865016201 is an equidigital number, since it uses as much as digits as its factorization.

538865016201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105963 (or 105951 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 538865016201 in words is "five hundred thirty-eight billion, eight hundred sixty-five million, sixteen thousand, two hundred one".