16812356441 has 8 divisors (see below), whose sum is σ = 17489260800. Its totient is φ = 16141930000.

The previous prime is 16812356411. The next prime is 16812356447. The reversal of 16812356441 is 14465321861.

16812356441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16812356441 - 2⁶ = 16812356377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16812356447) 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 7 ways as a sum of consecutive naturals, for example, 1614185 + ... + 1624566.

It is an arithmetic number, because the mean of its divisors is an integer number (2186157600).

Almost surely, 2^16812356441 is an apocalyptic number.

It is an amenable number.

16812356441 is a deficient number, since it is larger than the sum of its proper divisors (676904359).

16812356441 is a wasteful number, since it uses less digits than its factorization.

16812356441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238959.

The product of its digits is 138240, while the sum is 41.

The spelling of 16812356441 in words is "sixteen billion, eight hundred twelve million, three hundred fifty-six thousand, four hundred forty-one".