188163148 has 12 divisors (see below), whose sum is σ = 333454240. Its totient is φ = 92890512.

The previous prime is 188163139. The next prime is 188163203. The reversal of 188163148 is 841361881.

It is a self number, because there is not a number n which added to its sum of digits gives 188163148.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297411 + ... + 298042.

Almost surely, 2^188163148 is an apocalyptic number.

It is an amenable number.

188163148 is a deficient number, since it is larger than the sum of its proper divisors (145291092).

188163148 is a wasteful number, since it uses less digits than its factorization.

188163148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595536 (or 595534 counting only the distinct ones).

The product of its digits is 36864, while the sum is 40.

The square root of 188163148 is about 13717.2573060361. The cubic root of 188163148 is about 573.0310961848.

The spelling of 188163148 in words is "one hundred eighty-eight million, one hundred sixty-three thousand, one hundred forty-eight".