16544376952689 has 8 divisors (see below), whose sum is σ = 22770755375872. Its totient is φ = 10673791582320.

The previous prime is 16544376952669. The next prime is 16544376952717. The reversal of 16544376952689 is 98625967344561.

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

It is not a de Polignac number, because 16544376952689 - 2⁵ = 16544376952657 is a prime.

It is a super-3 number, since 3×16544376952689³ (a number of 41 digits) contains 333 as substring.

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 16544376952689.

It is not an unprimeable number, because it can be changed into a prime (16544376952669) 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, 88948263094 + ... + 88948263279.

It is an arithmetic number, because the mean of its divisors is an integer number (2846344421984).

Almost surely, 2^{16544376952689} is an apocalyptic number.

It is an amenable number.

16544376952689 is a deficient number, since it is larger than the sum of its proper divisors (6226378423183).

16544376952689 is a wasteful number, since it uses less digits than its factorization.

16544376952689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177896526407.

The product of its digits is 2351462400, while the sum is 75.

The spelling of 16544376952689 in words is "sixteen trillion, five hundred forty-four billion, three hundred seventy-six million, nine hundred fifty-two thousand, six hundred eighty-nine".