16787530530 has 128 divisors (see below), whose sum is σ = 45174620160. Its totient is φ = 4436095680.

The previous prime is 16787530511. The next prime is 16787530537. The reversal of 16787530530 is 3503578761.

16787530530 is a `hidden beast` number, since 1 + 6 + 7 + 87 + 5 + 30 + 530 = 666.

16787530530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16787530537) 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 63 ways as a sum of consecutive naturals, for example, 18925747 + ... + 18926633.

It is an arithmetic number, because the mean of its divisors is an integer number (352926720).

Almost surely, 2^16787530530 is an apocalyptic number.

16787530530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16787530530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22587310080).

16787530530 is an abundant number, since it is smaller than the sum of its proper divisors (28387089630).

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

16787530530 is a wasteful number, since it uses less digits than its factorization.

16787530530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 16787530530 in words is "sixteen billion, seven hundred eighty-seven million, five hundred thirty thousand, five hundred thirty".