16653288897 has 48 divisors (see below), whose sum is σ = 28703371008. Its totient is φ = 9097038720.

The previous prime is 16653288871. The next prime is 16653288923. The reversal of 16653288897 is 79888235661.

16653288897 is a `hidden beast` number, since 1 + 6 + 6 + 532 + 8 + 8 + 8 + 97 = 666.

It is an interprime number because it is at equal distance from previous prime (16653288871) and next prime (16653288923).

It is not a de Polignac number, because 16653288897 - 2⁶ = 16653288833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (16653288797) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4607463 + ... + 4611075.

It is an arithmetic number, because the mean of its divisors is an integer number (597986896).

Almost surely, 2^16653288897 is an apocalyptic number.

It is an amenable number.

16653288897 is a deficient number, since it is larger than the sum of its proper divisors (12050082111).

16653288897 is a wasteful number, since it uses less digits than its factorization.

16653288897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6830 (or 6827 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 16653288897 in words is "sixteen billion, six hundred fifty-three million, two hundred eighty-eight thousand, eight hundred ninety-seven".