16414563345505 has 8 divisors (see below), whose sum is σ = 21212666477352. Its totient is φ = 12121523701248.

The previous prime is 16414563345413. The next prime is 16414563345547. The reversal of 16414563345505 is 50554336541461.

It can be written as a sum of positive squares in 4 ways, for example, as 1232723898961 + 15181839446544 = 1110281^2 + 3896388^2 .

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

It is not a de Polignac number, because 16414563345505 - 2⁷ = 16414563345377 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 126265871824 + ... + 126265871953.

It is an arithmetic number, because the mean of its divisors is an integer number (2651583309669).

Almost surely, 2^{16414563345505} is an apocalyptic number.

It is an amenable number.

16414563345505 is a deficient number, since it is larger than the sum of its proper divisors (4798103131847).

16414563345505 is a wasteful number, since it uses less digits than its factorization.

16414563345505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252531743795.

The product of its (nonzero) digits is 12960000, while the sum is 52.

Adding to 16414563345505 its reverse (50554336541461), we get a palindrome (66968899886966).

The spelling of 16414563345505 in words is "sixteen trillion, four hundred fourteen billion, five hundred sixty-three million, three hundred forty-five thousand, five hundred five".