38137816637655 has 32 divisors (see below), whose sum is σ = 73408128268800. Its totient is φ = 16516828858752.

The previous prime is 38137816637647. The next prime is 38137816637681. The reversal of 38137816637655 is 55673661873183.

38137816637655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38137816637655 - 2³ = 38137816637647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38137816637655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9558348040 + ... + 9558352029.

It is an arithmetic number, because the mean of its divisors is an integer number (2294004008400).

Almost surely, 2^{38137816637655} is an apocalyptic number.

38137816637655 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38137816637655 is a deficient number, since it is larger than the sum of its proper divisors (35270311631145).

38137816637655 is a wasteful number, since it uses less digits than its factorization.

38137816637655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19116700103.

The product of its digits is 457228800, while the sum is 69.

The spelling of 38137816637655 in words is "thirty-eight trillion, one hundred thirty-seven billion, eight hundred sixteen million, six hundred thirty-seven thousand, six hundred fifty-five".