188210085 has 16 divisors (see below), whose sum is σ = 344155776. Its totient is φ = 86038848.

The previous prime is 188210051. The next prime is 188210107. The reversal of 188210085 is 580012881.

It is not a de Polignac number, because 188210085 - 2⁸ = 188209829 is a prime.

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, 896134 + ... + 896343.

It is an arithmetic number, because the mean of its divisors is an integer number (21509736).

Almost surely, 2^188210085 is an apocalyptic number.

188210085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

188210085 is a deficient number, since it is larger than the sum of its proper divisors (155945691).

188210085 is a wasteful number, since it uses less digits than its factorization.

188210085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792492.

The product of its (nonzero) digits is 5120, while the sum is 33.

The square root of 188210085 is about 13718.9680734376. The cubic root of 188210085 is about 573.0787394574.

The spelling of 188210085 in words is "one hundred eighty-eight million, two hundred ten thousand, eighty-five".