163124928 has 168 divisors, whose sum is σ = 514240272. Its totient is φ = 51093504.

The previous prime is 163124917. The next prime is 163124953. The reversal of 163124928 is 829421361.

163124928 is a `hidden beast` number, since 163 + 1 + 2 + 492 + 8 = 666.

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 junction number, because it is equal to n+sod(n) for n = 163124892 and 163124901.

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, 264076 + ... + 264692.

It is an arithmetic number, because the mean of its divisors is an integer number (3060954).

Almost surely, 2^163124928 is an apocalyptic number.

163124928 is a gapful number since it is divisible by the number (18) 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 163124928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257120136).

163124928 is an abundant number, since it is smaller than the sum of its proper divisors (351115344).

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

163124928 is an equidigital number, since it uses as much as digits as its factorization.

163124928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 639 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 163124928 is about 12772.0369557874. The cubic root of 163124928 is about 546.3950769385.

The spelling of 163124928 in words is "one hundred sixty-three million, one hundred twenty-four thousand, nine hundred twenty-eight".