163242100 has 72 divisors (see below), whose sum is σ = 411584768. Its totient is φ = 55036800.

The previous prime is 163242077. The next prime is 163242103. The reversal of 163242100 is 1242361.

163242100 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 (163242103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40789 + ... + 44611.

Almost surely, 2^163242100 is an apocalyptic number.

163242100 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 163242100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205792384).

163242100 is an abundant number, since it is smaller than the sum of its proper divisors (248342668).

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

163242100 is a wasteful number, since it uses less digits than its factorization.

163242100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905 (or 3898 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 163242100 is about 12776.6231845508. The cubic root of 163242100 is about 546.5258701122.

Adding to 163242100 its reverse (1242361), we get a palindrome (164484461).

The spelling of 163242100 in words is "one hundred sixty-three million, two hundred forty-two thousand, one hundred".