203015116416 has 256 divisors, whose sum is σ = 651915325440. Its totient is φ = 54721142784.

The previous prime is 203015116399. The next prime is 203015116457. The reversal of 203015116416 is 614611510302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4490661 + ... + 4535643.

It is an arithmetic number, because the mean of its divisors is an integer number (2546544240).

Almost surely, 2^203015116416 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 203015116416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325957662720).

203015116416 is an abundant number, since it is smaller than the sum of its proper divisors (448900209024).

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

203015116416 is a wasteful number, since it uses less digits than its factorization.

203015116416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45103 (or 45091 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 203015116416 its reverse (614611510302), we get a palindrome (817626626718).

The spelling of 203015116416 in words is "two hundred three billion, fifteen million, one hundred sixteen thousand, four hundred sixteen".