38720773168 has 80 divisors (see below), whose sum is σ = 93602580480. Its totient is φ = 15074841600.

The previous prime is 38720773099. The next prime is 38720773199. The reversal of 38720773168 is 86137702783.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1761928 + ... + 1783768.

It is an arithmetic number, because the mean of its divisors is an integer number (1170032256).

Almost surely, 2^38720773168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38720773168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46801290240).

38720773168 is an abundant number, since it is smaller than the sum of its proper divisors (54881807312).

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

38720773168 is a wasteful number, since it uses less digits than its factorization.

38720773168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23306 (or 23300 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 38720773168 in words is "thirty-eight billion, seven hundred twenty million, seven hundred seventy-three thousand, one hundred sixty-eight".