16005166912 has 56 divisors (see below), whose sum is σ = 37141603136. Its totient is φ = 6699829248.

The previous prime is 16005166901. The next prime is 16005166913. The reversal of 16005166912 is 21966150061.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16005166913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396153 + ... + 434680.

Almost surely, 2^16005166912 is an apocalyptic number.

It is an amenable number.

16005166912 is an abundant number, since it is smaller than the sum of its proper divisors (21136436224).

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

16005166912 is an equidigital number, since it uses as much as digits as its factorization.

16005166912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830895 (or 830885 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 16005166912 in words is "sixteen billion, five million, one hundred sixty-six thousand, nine hundred twelve".