16345406514446 has 8 divisors (see below), whose sum is σ = 24582801355320. Its totient is φ = 8151139396008.

The previous prime is 16345406514439. The next prime is 16345406514461. The reversal of 16345406514446 is 64441560454361.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10781929661 + ... + 10781931176.

It is an arithmetic number, because the mean of its divisors is an integer number (3072850169415).

Almost surely, 2^{16345406514446} is an apocalyptic number.

16345406514446 is a deficient number, since it is larger than the sum of its proper divisors (8237394840874).

16345406514446 is a wasteful number, since it uses less digits than its factorization.

16345406514446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21563861218.

The product of its (nonzero) digits is 16588800, while the sum is 53.

The spelling of 16345406514446 in words is "sixteen trillion, three hundred forty-five billion, four hundred six million, five hundred fourteen thousand, four hundred forty-six".