168038452 has 6 divisors (see below), whose sum is σ = 294067298. Its totient is φ = 84019224.

The previous prime is 168038419. The next prime is 168038467. The reversal of 168038452 is 254830861.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 155900196 + 12138256 = 12486^2 + 3484^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21004803 + ... + 21004810.

Almost surely, 2^168038452 is an apocalyptic number.

It is an amenable number.

168038452 is a deficient number, since it is larger than the sum of its proper divisors (126028846).

168038452 is a wasteful number, since it uses less digits than its factorization.

168038452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42009617 (or 42009615 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 168038452 is about 12962.9646300528. The cubic root of 168038452 is about 551.8269297444.

It can be divided in two parts, 168038 and 452, that added together give a triangular number (168490 = T₅₈₀).

The spelling of 168038452 in words is "one hundred sixty-eight million, thirty-eight thousand, four hundred fifty-two".