203798016 has 120 divisors (see below), whose sum is σ = 601327584. Its totient is φ = 66416640.

The previous prime is 203797981. The next prime is 203798017. The reversal of 203798016 is 610897302.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203798017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216106 + ... + 217046.

Almost surely, 2^203798016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203798016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300663792).

203798016 is an abundant number, since it is smaller than the sum of its proper divisors (397529568).

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

203798016 is an equidigital number, since it uses as much as digits as its factorization.

203798016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 203798016 is about 14275.7842516620. The cubic root of 203798016 is about 588.4821811901.

The spelling of 203798016 in words is "two hundred three million, seven hundred ninety-eight thousand, sixteen".