16633011012 has 12 divisors (see below), whose sum is σ = 38810359056. Its totient is φ = 5544337000.

The previous prime is 16633011011. The next prime is 16633011029. The reversal of 16633011012 is 21011033661.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (16633011011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693042114 + ... + 693042137.

It is an arithmetic number, because the mean of its divisors is an integer number (3234196588).

Almost surely, 2^16633011012 is an apocalyptic number.

16633011012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16633011012 is an abundant number, since it is smaller than the sum of its proper divisors (22177348044).

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

16633011012 is a wasteful number, since it uses less digits than its factorization.

16633011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386084258 (or 1386084256 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 16633011012 its reverse (21011033661), we get a palindrome (37644044673).

The spelling of 16633011012 in words is "sixteen billion, six hundred thirty-three million, eleven thousand, twelve".