188068190 has 32 divisors (see below), whose sum is σ = 354672000. Its totient is φ = 71705088.

The previous prime is 188068187. The next prime is 188068201. The reversal of 188068190 is 91860881.

It is a super-2 number, since 2×188068190² = 70739288179752200, which contains 22 as substring.

It is a Curzon 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, 18806 + ... + 27014.

It is an arithmetic number, because the mean of its divisors is an integer number (11083500).

Almost surely, 2^188068190 is an apocalyptic number.

188068190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

188068190 is a deficient number, since it is larger than the sum of its proper divisors (166603810).

188068190 is a wasteful number, since it uses less digits than its factorization.

188068190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8324.

The product of its (nonzero) digits is 27648, while the sum is 41.

The square root of 188068190 is about 13713.7956088021. The cubic root of 188068190 is about 572.9346850943.

The spelling of 188068190 in words is "one hundred eighty-eight million, sixty-eight thousand, one hundred ninety".