16727024889 has 27 divisors (see below), whose sum is σ = 25511075343. Its totient is φ = 10559780784.

The previous prime is 16727024837. The next prime is 16727024891. The reversal of 16727024889 is 98842072761.

It is a happy number.

The square root of 16727024889 is 129333.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 714653289 + 16012371600 = 26733^2 + 126540^2 .

It is not a de Polignac number, because 16727024889 - 2²⁹ = 16190153977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16727024089) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7370847 + ... + 7373115.

Almost surely, 2^16727024889 is an apocalyptic number.

16727024889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16727024889 is the 129333-rd square number.

16727024889 is the 64667-th centered octagonal number.

It is an amenable number.

16727024889 is a deficient number, since it is larger than the sum of its proper divisors (8784050454).

16727024889 is an frugal number, since it uses more digits than its factorization.

16727024889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4582 (or 2291 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 16727024889 in words is "sixteen billion, seven hundred twenty-seven million, twenty-four thousand, eight hundred eighty-nine".