16911221633159 has 48 divisors (see below), whose sum is σ = 21196545331200. Its totient is φ = 13200472212480.

The previous prime is 16911221633149. The next prime is 16911221633167. The reversal of 16911221633159 is 95133612211961.

It is not a de Polignac number, because 16911221633159 - 2¹² = 16911221629063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16911221633149) 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, 477040067 + ... + 477075515.

It is an arithmetic number, because the mean of its divisors is an integer number (441594694400).

Almost surely, 2^{16911221633159} is an apocalyptic number.

16911221633159 is a deficient number, since it is larger than the sum of its proper divisors (4285323698041).

16911221633159 is a wasteful number, since it uses less digits than its factorization.

16911221633159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43128 (or 43111 counting only the distinct ones).

The product of its digits is 524880, while the sum is 50.

The spelling of 16911221633159 in words is "sixteen trillion, nine hundred eleven billion, two hundred twenty-one million, six hundred thirty-three thousand, one hundred fifty-nine".