16540969600 has 48 divisors (see below), whose sum is σ = 40861371870. Its totient is φ = 6616386560.

The previous prime is 16540969597. The next prime is 16540969609. The reversal of 16540969600 is 696904561.

16540969600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 14130552384 + 2410417216 = 118872^2 + 49096^2 .

It is not an unprimeable number, because it can be changed into a prime (16540969609) 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 5 ways as a sum of consecutive naturals, for example, 2581327 + ... + 2587726.

Almost surely, 2^16540969600 is an apocalyptic number.

16540969600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16540969600 is an abundant number, since it is smaller than the sum of its proper divisors (24320402270).

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

16540969600 is an equidigital number, since it uses as much as digits as its factorization.

16540969600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5169077 (or 5169060 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 16540969600 in words is "sixteen billion, five hundred forty million, nine hundred sixty-nine thousand, six hundred".