163745500 has 24 divisors (see below), whose sum is σ = 357621264. Its totient is φ = 65498000.

The previous prime is 163745489. The next prime is 163745507. The reversal of 163745500 is 5547361.

163745500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163745507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163246 + ... + 164245.

It is an arithmetic number, because the mean of its divisors is an integer number (14900886).

Almost surely, 2^163745500 is an apocalyptic number.

163745500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163745500 is an abundant number, since it is smaller than the sum of its proper divisors (193875764).

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

163745500 is a wasteful number, since it uses less digits than its factorization.

163745500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327510 (or 327498 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 163745500 is about 12796.3080613121. The cubic root of 163745500 is about 547.0870791053.

The spelling of 163745500 in words is "one hundred sixty-three million, seven hundred forty-five thousand, five hundred".