203445043160 has 128 divisors (see below), whose sum is σ = 507172648320. Its totient is φ = 73114509312.

The previous prime is 203445043147. The next prime is 203445043171. The reversal of 203445043160 is 61340544302.

It is a congruent 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, 1257197 + ... + 1409763.

It is an arithmetic number, because the mean of its divisors is an integer number (3962286315).

Almost surely, 2^203445043160 is an apocalyptic number.

203445043160 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 203445043160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253586324160).

203445043160 is an abundant number, since it is smaller than the sum of its proper divisors (303727605160).

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

203445043160 is a wasteful number, since it uses less digits than its factorization.

203445043160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152685 (or 152681 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 203445043160 its reverse (61340544302), we get a palindrome (264785587462).

The spelling of 203445043160 in words is "two hundred three billion, four hundred forty-five million, forty-three thousand, one hundred sixty".