203043964816 has 375 divisors, whose sum is σ = 532795450155. Its totient is φ = 74944457280.

The previous prime is 203043964801. The next prime is 203043964843. The reversal of 203043964816 is 618469340302.

The square root of 203043964816 is 450604.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 10686524455 + ... + 10686524473.

Almost surely, 2^203043964816 is an apocalyptic number.

203043964816 is the 450604-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203043964816

203043964816 is an abundant number, since it is smaller than the sum of its proper divisors (329751485339).

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

203043964816 is an frugal number, since it uses more digits than its factorization.

203043964816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 203043964816 in words is "two hundred three billion, forty-three million, nine hundred sixty-four thousand, eight hundred sixteen".