38136163418 has 8 divisors (see below), whose sum is σ = 57205788948. Its totient is φ = 19067567104.

The previous prime is 38136163399. The next prime is 38136163447. The reversal of 38136163418 is 81436163183.

It can be written as a sum of positive squares in 2 ways, for example, as 37346722009 + 789441409 = 193253^2 + 28097^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156821 + ... + 317592.

Almost surely, 2^38136163418 is an apocalyptic number.

38136163418 is a deficient number, since it is larger than the sum of its proper divisors (19069625530).

38136163418 is a wasteful number, since it uses less digits than its factorization.

38136163418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514608.

The product of its digits is 248832, while the sum is 44.

The spelling of 38136163418 in words is "thirty-eight billion, one hundred thirty-six million, one hundred sixty-three thousand, four hundred eighteen".