188012858605 has 16 divisors (see below), whose sum is σ = 265058688384. Its totient is φ = 126218422080.

The previous prime is 188012858563. The next prime is 188012858611. The reversal of 188012858605 is 506858210881.

It is not a de Polignac number, because 188012858605 - 2⁷ = 188012858477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131476809 + ... + 131478238.

It is an arithmetic number, because the mean of its divisors is an integer number (16566168024).

Almost surely, 2^188012858605 is an apocalyptic number.

It is an amenable number.

188012858605 is a deficient number, since it is larger than the sum of its proper divisors (77045829779).

188012858605 is a wasteful number, since it uses less digits than its factorization.

188012858605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262955076.

The product of its (nonzero) digits is 1228800, while the sum is 52.

The spelling of 188012858605 in words is "one hundred eighty-eight billion, twelve million, eight hundred fifty-eight thousand, six hundred five".