168038424 has 24 divisors (see below), whose sum is σ = 455104260. Its totient is φ = 56012784.

The previous prime is 168038419. The next prime is 168038467. The reversal of 168038424 is 424830861.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1166862 + ... + 1167005.

Almost surely, 2^168038424 is an apocalyptic number.

It is an amenable number.

168038424 is an abundant number, since it is smaller than the sum of its proper divisors (287065836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168038424 is a wasteful number, since it uses less digits than its factorization.

168038424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333879 (or 2333872 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 168038424 is about 12962.9635500529. The cubic root of 168038424 is about 551.8268990943.

It can be divided in two parts, 1680 and 38424, that added together give a palindrome (40104).

The spelling of 168038424 in words is "one hundred sixty-eight million, thirty-eight thousand, four hundred twenty-four".