16705562500 has 189 divisors, whose sum is σ = 41039845777. Its totient is φ = 5945500000.

The previous prime is 16705562473. The next prime is 16705562501. The reversal of 16705562500 is 526550761.

The square root of 16705562500 is 129250.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 14635676484 + 2069886016 = 120978^2 + 45496^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16705562500.

It is not an unprimeable number, because it can be changed into a prime (16705562501) by changing a digit.

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 62 ways as a sum of consecutive naturals, for example, 355437477 + ... + 355437523.

Almost surely, 2^16705562500 is an apocalyptic number.

16705562500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16705562500 is the 129250-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16705562500

16705562500 is an abundant number, since it is smaller than the sum of its proper divisors (24334283277).

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

16705562500 is an frugal number, since it uses more digits than its factorization.

16705562500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 16705562500 in words is "sixteen billion, seven hundred five million, five hundred sixty-two thousand, five hundred".