203439766968 has 128 divisors (see below), whose sum is σ = 585614592000. Its totient is φ = 65369825280.

The previous prime is 203439766961. The next prime is 203439766987. The reversal of 203439766968 is 869667934302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203439766961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1661763 + ... + 1779981.

It is an arithmetic number, because the mean of its divisors is an integer number (4575114000).

Almost surely, 2^203439766968 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 203439766968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292807296000).

203439766968 is an abundant number, since it is smaller than the sum of its proper divisors (382174825032).

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

203439766968 is a wasteful number, since it uses less digits than its factorization.

203439766968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118522 (or 118512 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 63.

The spelling of 203439766968 in words is "two hundred three billion, four hundred thirty-nine million, seven hundred sixty-six thousand, nine hundred sixty-eight".