16544142097 has 12 divisors (see below), whose sum is σ = 19254584496. Its totient is φ = 14173797960.

The previous prime is 16544142089. The next prime is 16544142119. The reversal of 16544142097 is 79024144561.

16544142097 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 16544142097 - 2³ = 16544142089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16544142007) 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, 21022 + ... + 183112.

It is an arithmetic number, because the mean of its divisors is an integer number (1604548708).

Almost surely, 2^16544142097 is an apocalyptic number.

It is an amenable number.

16544142097 is a deficient number, since it is larger than the sum of its proper divisors (2710442399).

16544142097 is a wasteful number, since it uses less digits than its factorization.

16544142097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164188 (or 164181 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 16544142097 in words is "sixteen billion, five hundred forty-four million, one hundred forty-two thousand, ninety-seven".