168237148 has 6 divisors (see below), whose sum is σ = 294415016. Its totient is φ = 84118572.

The previous prime is 168237133. The next prime is 168237197. The reversal of 168237148 is 841732861.

It is a self number, because there is not a number n which added to its sum of digits gives 168237148.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21029640 + ... + 21029647.

Almost surely, 2^168237148 is an apocalyptic number.

It is an amenable number.

168237148 is a deficient number, since it is larger than the sum of its proper divisors (126177868).

168237148 is a wasteful number, since it uses less digits than its factorization.

168237148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42059291 (or 42059289 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 168237148 is about 12970.6263534187. The cubic root of 168237148 is about 552.0443454887.

The spelling of 168237148 in words is "one hundred sixty-eight million, two hundred thirty-seven thousand, one hundred forty-eight".