16634454224 has 20 divisors (see below), whose sum is σ = 32285716320. Its totient is φ = 8302656480.

The previous prime is 16634454217. The next prime is 16634454233. The reversal of 16634454224 is 42245443661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901244 + ... + 919515.

It is an arithmetic number, because the mean of its divisors is an integer number (1614285816).

Almost surely, 2^16634454224 is an apocalyptic number.

It is an amenable number.

16634454224 is a deficient number, since it is larger than the sum of its proper divisors (15651262096).

16634454224 is a wasteful number, since it uses less digits than its factorization.

16634454224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821338 (or 1821332 counting only the distinct ones).

The product of its digits is 552960, while the sum is 41.

Adding to 16634454224 its reverse (42245443661), we get a palindrome (58879897885).

The spelling of 16634454224 in words is "sixteen billion, six hundred thirty-four million, four hundred fifty-four thousand, two hundred twenty-four".