16541529216 has 32 divisors (see below), whose sum is σ = 43938438000. Its totient is φ = 5513842944.

The previous prime is 16541529157. The next prime is 16541529233. The reversal of 16541529216 is 61292514561.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21538066 + ... + 21538833.

Almost surely, 2^16541529216 is an apocalyptic number.

16541529216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16541529216 is an abundant number, since it is smaller than the sum of its proper divisors (27396908784).

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

16541529216 is an equidigital number, since it uses as much as digits as its factorization.

16541529216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43076916 (or 43076904 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The spelling of 16541529216 in words is "sixteen billion, five hundred forty-one million, five hundred twenty-nine thousand, two hundred sixteen".