163000540 has 96 divisors (see below), whose sum is σ = 375225984. Its totient is φ = 59304960.

The previous prime is 163000529. The next prime is 163000553. The reversal of 163000540 is 45000361.

163000540 is a nontrivial binomial coefficient, being equal to C(18056, 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1038142 + ... + 1038298.

It is an arithmetic number, because the mean of its divisors is an integer number (3908604).

Almost surely, 2^163000540 is an apocalyptic number.

163000540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163000540 is the 18055-th triangular number and also the 9028-th hexagonal number.

163000540 is the 6019-th centered nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163000540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187612992).

163000540 is an abundant number, since it is smaller than the sum of its proper divisors (212225444).

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

163000540 is a wasteful number, since it uses less digits than its factorization.

163000540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 163000540 is about 12767.1664828183. The cubic root of 163000540 is about 546.2561603545.

The spelling of 163000540 in words is "one hundred sixty-three million, five hundred forty", and thus it is an aban number.