16731456906 has 32 divisors (see below), whose sum is σ = 34375235328. Its totient is φ = 5425168320.

The previous prime is 16731456901. The next prime is 16731456923. The reversal of 16731456906 is 60965413761.

16731456906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16731456901) 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 15 ways as a sum of consecutive naturals, for example, 1900591 + ... + 1909373.

It is an arithmetic number, because the mean of its divisors is an integer number (1074226104).

Almost surely, 2^16731456906 is an apocalyptic number.

16731456906 is an abundant number, since it is smaller than the sum of its proper divisors (17643778422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16731456906 is a wasteful number, since it uses less digits than its factorization.

16731456906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17406.

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 16731456906 in words is "sixteen billion, seven hundred thirty-one million, four hundred fifty-six thousand, nine hundred six".