16830620450 has 54 divisors (see below), whose sum is σ = 36429866163. Its totient is φ = 5768296800.

The previous prime is 16830620441. The next prime is 16830620509. The reversal of 16830620450 is 5402603861.

It can be written as a sum of positive squares in 5 ways, for example, as 11852894641 + 4977725809 = 108871^2 + 70553^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=91735.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16830620450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6420140 + ... + 6422760.

Almost surely, 2^16830620450 is an apocalyptic number.

16830620450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16830620450 is an abundant number, since it is smaller than the sum of its proper divisors (19599245713).

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

16830620450 is an frugal number, since it uses more digits than its factorization.

16830620450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268 (or 2635 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 16830620450 in words is "sixteen billion, eight hundred thirty million, six hundred twenty thousand, four hundred fifty".