188243612 has 6 divisors (see below), whose sum is σ = 329426328. Its totient is φ = 94121804.

The previous prime is 188243603. The next prime is 188243623. The reversal of 188243612 is 216342881.

188243612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23530448 + ... + 23530455.

It is an arithmetic number, because the mean of its divisors is an integer number (54904388).

Almost surely, 2^188243612 is an apocalyptic number.

It is an amenable number.

188243612 is a deficient number, since it is larger than the sum of its proper divisors (141182716).

188243612 is a wasteful number, since it uses less digits than its factorization.

188243612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47060907 (or 47060905 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 188243612 is about 13720.1899403762. The cubic root of 188243612 is about 573.1127660968.

The spelling of 188243612 in words is "one hundred eighty-eight million, two hundred forty-three thousand, six hundred twelve".