203463540416 has 56 divisors (see below), whose sum is σ = 413938029120. Its totient is φ = 99168307200.

The previous prime is 203463540409. The next prime is 203463540439. The reversal of 203463540416 is 614045364302.

203463540416 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203463540416² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203463540416.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3198650 + ... + 3261638.

It is an arithmetic number, because the mean of its divisors is an integer number (7391750520).

Almost surely, 2^203463540416 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 203463540416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206969014560).

203463540416 is an abundant number, since it is smaller than the sum of its proper divisors (210474488704).

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

203463540416 is a wasteful number, since it uses less digits than its factorization.

203463540416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64273 (or 64263 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 203463540416 in words is "two hundred three billion, four hundred sixty-three million, five hundred forty thousand, four hundred sixteen".