538116217166 has 8 divisors (see below), whose sum is σ = 880553809944. Its totient is φ = 244598280520.

The previous prime is 538116217147. The next prime is 538116217189. The reversal of 538116217166 is 661712611835.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 538116217166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12229914005 + ... + 12229914048.

It is an arithmetic number, because the mean of its divisors is an integer number (110069226243).

Almost surely, 2^538116217166 is an apocalyptic number.

538116217166 is a deficient number, since it is larger than the sum of its proper divisors (342437592778).

538116217166 is a wasteful number, since it uses less digits than its factorization.

538116217166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24459828066.

The product of its digits is 362880, while the sum is 47.

The spelling of 538116217166 in words is "five hundred thirty-eight billion, one hundred sixteen million, two hundred seventeen thousand, one hundred sixty-six".