203829169068 has 384 divisors, whose sum is σ = 638592460800. Its totient is φ = 55016755200.

The previous prime is 203829169051. The next prime is 203829169081. The reversal of 203829169068 is 860961928302.

203829169068 is a `hidden beast` number, since 203 + 8 + 291 + 6 + 90 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 126679848 + ... + 126681456.

It is an arithmetic number, because the mean of its divisors is an integer number (1663001200).

Almost surely, 2^203829169068 is an apocalyptic number.

203829169068 is a gapful number since it is divisible by the number (28) 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 203829169068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319296230400).

203829169068 is an abundant number, since it is smaller than the sum of its proper divisors (434763291732).

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

203829169068 is a wasteful number, since it uses less digits than its factorization.

203829169068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 203829169068 in words is "two hundred three billion, eight hundred twenty-nine million, one hundred sixty-nine thousand, sixty-eight".