163303830 has 32 divisors (see below), whose sum is σ = 435477600. Its totient is φ = 43547616.

The previous prime is 163303817. The next prime is 163303837. The reversal of 163303830 is 38303361.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 163303794 and 163303803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163303837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302145 + ... + 302684.

It is an arithmetic number, because the mean of its divisors is an integer number (13608675).

Almost surely, 2^163303830 is an apocalyptic number.

163303830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163303830 is an abundant number, since it is smaller than the sum of its proper divisors (272173770).

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

163303830 is a wasteful number, since it uses less digits than its factorization.

163303830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604845 (or 604839 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 163303830 is about 12779.0386962400. The cubic root of 163303830 is about 546.5947510163.

The spelling of 163303830 in words is "one hundred sixty-three million, three hundred three thousand, eight hundred thirty".