16644474030163 has 8 divisors (see below), whose sum is σ = 19196772145760. Its totient is φ = 14135804942400.

The previous prime is 16644474030161. The next prime is 16644474030241. The reversal of 16644474030163 is 36103047444661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16644474030163 - 2¹ = 16644474030161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16644474030161) 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, 10907256138 + ... + 10907257663.

It is an arithmetic number, because the mean of its divisors is an integer number (2399596518220).

Almost surely, 2^{16644474030163} is an apocalyptic number.

16644474030163 is a deficient number, since it is larger than the sum of its proper divisors (2552298115597).

16644474030163 is a wasteful number, since it uses less digits than its factorization.

16644474030163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21814513917.

The product of its (nonzero) digits is 3483648, while the sum is 49.

The spelling of 16644474030163 in words is "sixteen trillion, six hundred forty-four billion, four hundred seventy-four million, thirty thousand, one hundred sixty-three".