16493654169 has 12 divisors (see below), whose sum is σ = 24468064036. Its totient is φ = 10698586272.

The previous prime is 16493654119. The next prime is 16493654227. The reversal of 16493654169 is 96145639461.

It is a happy number.

16493654169 is a `hidden beast` number, since 1 + 6 + 4 + 9 + 36 + 541 + 69 = 666.

16493654169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11525096025 + 4968558144 = 107355^2 + 70488^2 .

It is not a de Polignac number, because 16493654169 - 2⁷ = 16493654041 is a prime.

It is a super-2 number, since 2×16493654169² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16493654119) 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 11 ways as a sum of consecutive naturals, for example, 24764914 + ... + 24765579.

Almost surely, 2^16493654169 is an apocalyptic number.

It is an amenable number.

16493654169 is a deficient number, since it is larger than the sum of its proper divisors (7974409867).

16493654169 is a wasteful number, since it uses less digits than its factorization.

16493654169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49530536 (or 49530533 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The spelling of 16493654169 in words is "sixteen billion, four hundred ninety-three million, six hundred fifty-four thousand, one hundred sixty-nine".