16633053312 has 64 divisors (see below), whose sum is σ = 44199953760. Its totient is φ = 5542041600.

The previous prime is 16633053287. The next prime is 16633053319. The reversal of 16633053312 is 21335033661.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (16633053319) 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, 1087188 + ... + 1102380.

Almost surely, 2^16633053312 is an apocalyptic number.

16633053312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16633053312 is an abundant number, since it is smaller than the sum of its proper divisors (27566900448).

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

16633053312 is a wasteful number, since it uses less digits than its factorization.

16633053312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18061 (or 18049 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 33.

Adding to 16633053312 its reverse (21335033661), we get a palindrome (37968086973).

The spelling of 16633053312 in words is "sixteen billion, six hundred thirty-three million, fifty-three thousand, three hundred twelve".