38378345168 has 10 divisors (see below), whose sum is σ = 74358043794. Its totient is φ = 19189172576.

The previous prime is 38378345167. The next prime is 38378345249. The reversal of 38378345168 is 86154387383.

It can be written as a sum of positive squares in only one way, i.e., 19441282624 + 18937062544 = 139432^2 + 137612^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38378345167) by changing a digit.

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 as a sum of consecutive naturals, namely, 1199323271 + ... + 1199323302.

Almost surely, 2^38378345168 is an apocalyptic number.

It is an amenable number.

38378345168 is a deficient number, since it is larger than the sum of its proper divisors (35979698626).

38378345168 is a wasteful number, since it uses less digits than its factorization.

38378345168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398646581 (or 2398646575 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 56.

The spelling of 38378345168 in words is "thirty-eight billion, three hundred seventy-eight million, three hundred forty-five thousand, one hundred sixty-eight".