163143792 has 120 divisors (see below), whose sum is σ = 539891040. Its totient is φ = 44997120.

The previous prime is 163143779. The next prime is 163143809. The reversal of 163143792 is 297341361.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26442 + ... + 32022.

It is an arithmetic number, because the mean of its divisors is an integer number (4499092).

Almost surely, 2^163143792 is an apocalyptic number.

163143792 is a gapful number since it is divisible by the number (12) 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 163143792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269945520).

163143792 is an abundant number, since it is smaller than the sum of its proper divisors (376747248).

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

163143792 is a wasteful number, since it uses less digits than its factorization.

163143792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5631 (or 5622 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 163143792 is about 12772.7754227497. The cubic root of 163143792 is about 546.4161380961.

The spelling of 163143792 in words is "one hundred sixty-three million, one hundred forty-three thousand, seven hundred ninety-two".