16530631300 has 72 divisors (see below), whose sum is σ = 37466352000. Its totient is φ = 6318808320.

The previous prime is 16530631291. The next prime is 16530631307. The reversal of 16530631300 is 313603561.

16530631300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16530631307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3030976 + ... + 3036424.

It is an arithmetic number, because the mean of its divisors is an integer number (520366000).

Almost surely, 2^16530631300 is an apocalyptic number.

16530631300 is a gapful number since it is divisible by the number (10) 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 16530631300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18733176000).

16530631300 is an abundant number, since it is smaller than the sum of its proper divisors (20935720700).

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

16530631300 is a wasteful number, since it uses less digits than its factorization.

16530631300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6805 (or 6798 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The spelling of 16530631300 in words is "sixteen billion, five hundred thirty million, six hundred thirty-one thousand, three hundred".