368168638 has 8 divisors (see below), whose sum is σ = 559818288. Its totient is φ = 181562544.

The previous prime is 368168629. The next prime is 368168657. The reversal of 368168638 is 836861863.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 368168591 and 368168600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260706 + ... + 1260997.

It is an arithmetic number, because the mean of its divisors is an integer number (69977286).

Almost surely, 2^368168638 is an apocalyptic number.

368168638 is a deficient number, since it is larger than the sum of its proper divisors (191649650).

368168638 is a wasteful number, since it uses less digits than its factorization.

368168638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521778.

The product of its digits is 995328, while the sum is 49.

The square root of 368168638 is about 19187.7210215283. The cubic root of 368168638 is about 716.7190208974.

It can be divided in two parts, 36816 and 8638, that added together give a palindrome (45454).

The spelling of 368168638 in words is "three hundred sixty-eight million, one hundred sixty-eight thousand, six hundred thirty-eight".