38168718 has 32 divisors (see below), whose sum is σ = 88231680. Its totient is φ = 10781760.

The previous prime is 38168699. The next prime is 38168729. The reversal of 38168718 is 81786183.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 38168718.

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 in 15 ways as a sum of consecutive naturals, for example, 1368 + ... + 8843.

It is an arithmetic number, because the mean of its divisors is an integer number (2757240).

Almost surely, 2^38168718 is an apocalyptic number.

38168718 is an abundant number, since it is smaller than the sum of its proper divisors (50062962).

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

38168718 is a wasteful number, since it uses less digits than its factorization.

38168718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10312.

The product of its digits is 64512, while the sum is 42.

The square root of 38168718 is about 6178.0836834734. The cubic root of 38168718 is about 336.6943725633.

The spelling of 38168718 in words is "thirty-eight million, one hundred sixty-eight thousand, seven hundred eighteen".