16630216353 has 20 divisors (see below), whose sum is σ = 25448592708. Its totient is φ = 10816398720.

The previous prime is 16630216349. The next prime is 16630216367. The reversal of 16630216353 is 35361203661.

16630216353 is a `hidden beast` number, since 1 + 6 + 630 + 2 + 16 + 3 + 5 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7679542689 + 8950673664 = 87633^2 + 94608^2 .

It is not a de Polignac number, because 16630216353 - 2² = 16630216349 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16630216453) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2500476 + ... + 2507117.

Almost surely, 2^16630216353 is an apocalyptic number.

It is an amenable number.

16630216353 is a deficient number, since it is larger than the sum of its proper divisors (8818376355).

16630216353 is an equidigital number, since it uses as much as digits as its factorization.

16630216353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5007646 (or 5007637 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The spelling of 16630216353 in words is "sixteen billion, six hundred thirty million, two hundred sixteen thousand, three hundred fifty-three".