16721464230 has 48 divisors (see below), whose sum is σ = 45086028624. Its totient is φ = 4459056480.

The previous prime is 16721464189. The next prime is 16721464283. The reversal of 16721464230 is 3246412761.

16721464230 is a `hidden beast` number, since 1 + 6 + 7 + 2 + 1 + 4 + 642 + 3 + 0 = 666.

It is a super-3 number, since 3×16721464230³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 3438201 + ... + 3443060.

It is an arithmetic number, because the mean of its divisors is an integer number (939292263).

Almost surely, 2^16721464230 is an apocalyptic number.

16721464230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16721464230 is an abundant number, since it is smaller than the sum of its proper divisors (28364564394).

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

16721464230 is an equidigital number, since it uses as much as digits as its factorization.

16721464230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6881283 (or 6881271 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

Adding to 16721464230 its reverse (3246412761), we get a palindrome (19967876991).

The spelling of 16721464230 in words is "sixteen billion, seven hundred twenty-one million, four hundred sixty-four thousand, two hundred thirty".