16653429768 has 64 divisors (see below), whose sum is σ = 42474922560. Its totient is φ = 5439239936.

The previous prime is 16653429763. The next prime is 16653429781. The reversal of 16653429768 is 86792435661.

It is not an unprimeable number, because it can be changed into a prime (16653429761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005571 + ... + 1021997.

It is an arithmetic number, because the mean of its divisors is an integer number (663670665).

Almost surely, 2^16653429768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16653429768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21237461280).

16653429768 is an abundant number, since it is smaller than the sum of its proper divisors (25821492792).

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

16653429768 is a wasteful number, since it uses less digits than its factorization.

16653429768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17286 (or 17282 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 57.

The spelling of 16653429768 in words is "sixteen billion, six hundred fifty-three million, four hundred twenty-nine thousand, seven hundred sixty-eight".