168241396 has 6 divisors (see below), whose sum is σ = 294422450. Its totient is φ = 84120696.

The previous prime is 168241393. The next prime is 168241399. The reversal of 168241396 is 693142861.

It is an interprime number because it is at equal distance from previous prime (168241393) and next prime (168241399).

It can be written as a sum of positive squares in only one way, i.e., 164096100 + 4145296 = 12810^2 + 2036^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168241393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21030171 + ... + 21030178.

Almost surely, 2^168241396 is an apocalyptic number.

It is an amenable number.

168241396 is a deficient number, since it is larger than the sum of its proper divisors (126181054).

168241396 is a wasteful number, since it uses less digits than its factorization.

168241396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42060353 (or 42060351 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 168241396 is about 12970.7901070058. The cubic root of 168241396 is about 552.0489918360.

The spelling of 168241396 in words is "one hundred sixty-eight million, two hundred forty-one thousand, three hundred ninety-six".