16485378183399 has 8 divisors (see below), whose sum is σ = 21980523518080. Its totient is φ = 10990242485496.

The previous prime is 16485378183389. The next prime is 16485378183413. The reversal of 16485378183399 is 99338187358461.

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

It is not a de Polignac number, because 16485378183399 - 2⁴ = 16485378183383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16485378183399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16485378183319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4077144 + ... + 7042290.

It is an arithmetic number, because the mean of its divisors is an integer number (2747565439760).

Almost surely, 2^{16485378183399} is an apocalyptic number.

16485378183399 is a deficient number, since it is larger than the sum of its proper divisors (5495145334681).

16485378183399 is a wasteful number, since it uses less digits than its factorization.

16485378183399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818389.

The product of its digits is 940584960, while the sum is 75.

The spelling of 16485378183399 in words is "sixteen trillion, four hundred eighty-five billion, three hundred seventy-eight million, one hundred eighty-three thousand, three hundred ninety-nine".