203915842160 has 80 divisors (see below), whose sum is σ = 483646321440. Its totient is φ = 79928509440.

The previous prime is 203915842153. The next prime is 203915842181. The reversal of 203915842160 is 61248519302.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3451751 + ... + 3510329.

It is an arithmetic number, because the mean of its divisors is an integer number (6045579018).

Almost surely, 2^203915842160 is an apocalyptic number.

203915842160 is a gapful number since it is divisible by the number (20) 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 203915842160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241823160720).

203915842160 is an abundant number, since it is smaller than the sum of its proper divisors (279730479280).

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

203915842160 is a wasteful number, since it uses less digits than its factorization.

203915842160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59466 (or 59460 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 203915842160 in words is "two hundred three billion, nine hundred fifteen million, eight hundred forty-two thousand, one hundred sixty".