163773000 has 192 divisors, whose sum is σ = 572382720. Its totient is φ = 42192000.

The previous prime is 163772981. The next prime is 163773013. The reversal of 163773000 is 377361.

163773000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 47 ways as a sum of consecutive naturals, for example, 278707 + ... + 279293.

It is an arithmetic number, because the mean of its divisors is an integer number (2981160).

Almost surely, 2^163773000 is an apocalyptic number.

163773000 is a gapful number since it is divisible by the number (10) 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 163773000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286191360).

163773000 is an abundant number, since it is smaller than the sum of its proper divisors (408609720).

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

163773000 is a wasteful number, since it uses less digits than its factorization.

163773000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 27.

The square root of 163773000 is about 12797.3825448800. The cubic root of 163773000 is about 547.1177039723.

The spelling of 163773000 in words is "one hundred sixty-three million, seven hundred seventy-three thousand".