38160891712 has 84 divisors (see below), whose sum is σ = 80645471424. Its totient is φ = 17912657920.

The previous prime is 38160891707. The next prime is 38160891731. The reversal of 38160891712 is 21719806183.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7969383 + ... + 7974169.

It is an arithmetic number, because the mean of its divisors is an integer number (960065136).

Almost surely, 2^38160891712 is an apocalyptic number.

38160891712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38160891712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40322735712).

38160891712 is an abundant number, since it is smaller than the sum of its proper divisors (42484579712).

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

38160891712 is a wasteful number, since it uses less digits than its factorization.

38160891712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5264 (or 5237 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 38160891712 in words is "thirty-eight billion, one hundred sixty million, eight hundred ninety-one thousand, seven hundred twelve".