16489352973 has 8 divisors (see below), whose sum is σ = 22264105600. Its totient is φ = 10853751168.

The previous prime is 16489352909. The next prime is 16489352983. The reversal of 16489352973 is 37925398461.

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

It is not a de Polignac number, because 16489352973 - 2⁶ = 16489352909 is a prime.

It is a super-2 number, since 2×16489352973² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16489352983) 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, 34787428 + ... + 34787901.

It is an arithmetic number, because the mean of its divisors is an integer number (2783013200).

Almost surely, 2^16489352973 is an apocalyptic number.

It is an amenable number.

16489352973 is a deficient number, since it is larger than the sum of its proper divisors (5774752627).

16489352973 is an equidigital number, since it uses as much as digits as its factorization.

16489352973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69575411.

The product of its digits is 9797760, while the sum is 57.

The spelling of 16489352973 in words is "sixteen billion, four hundred eighty-nine million, three hundred fifty-two thousand, nine hundred seventy-three".