538587863166 has 32 divisors (see below), whose sum is σ = 1079089135488. Its totient is φ = 179210547360.

The previous prime is 538587863123. The next prime is 538587863167. The reversal of 538587863166 is 661368785835.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 538587863097 and 538587863106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538587863167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14974881 + ... + 15010803.

It is an arithmetic number, because the mean of its divisors is an integer number (33721535484).

Almost surely, 2^538587863166 is an apocalyptic number.

538587863166 is an abundant number, since it is smaller than the sum of its proper divisors (540501272322).

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

538587863166 is a wasteful number, since it uses less digits than its factorization.

538587863166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40296.

The product of its digits is 174182400, while the sum is 66.

The spelling of 538587863166 in words is "five hundred thirty-eight billion, five hundred eighty-seven million, eight hundred sixty-three thousand, one hundred sixty-six".