16949228331 has 72 divisors (see below), whose sum is σ = 28642811904. Its totient is φ = 8878675680.

The previous prime is 16949228299. The next prime is 16949228341. The reversal of 16949228331 is 13382294961.

16949228331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16949228331 - 2⁵ = 16949228299 is a prime.

It is a super-2 number, since 2×16949228331² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16949228341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1639926 + ... + 1650228.

It is an arithmetic number, because the mean of its divisors is an integer number (397816832).

Almost surely, 2^16949228331 is an apocalyptic number.

16949228331 is a deficient number, since it is larger than the sum of its proper divisors (11693583573).

16949228331 is a wasteful number, since it uses less digits than its factorization.

16949228331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10389 (or 10363 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The spelling of 16949228331 in words is "sixteen billion, nine hundred forty-nine million, two hundred twenty-eight thousand, three hundred thirty-one".