16354444007 has 4 divisors (see below), whose sum is σ = 17841211656. Its totient is φ = 14867676360.

The previous prime is 16354444003. The next prime is 16354444013. The reversal of 16354444007 is 70044445361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16354444007 - 2² = 16354444003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16354444003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743383808 + ... + 743383829.

It is an arithmetic number, because the mean of its divisors is an integer number (4460302914).

Almost surely, 2^16354444007 is an apocalyptic number.

16354444007 is a deficient number, since it is larger than the sum of its proper divisors (1486767649).

16354444007 is a wasteful number, since it uses less digits than its factorization.

16354444007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486767648.

The product of its (nonzero) digits is 161280, while the sum is 38.

Adding to 16354444007 its reverse (70044445361), we get a palindrome (86398889368).

The spelling of 16354444007 in words is "sixteen billion, three hundred fifty-four million, four hundred forty-four thousand, seven".