16057198089 has 9 divisors (see below), whose sum is σ = 23194279693. Its totient is φ = 10704545292.

The previous prime is 16057198067. The next prime is 16057198093. The reversal of 16057198089 is 98089175061.

The square root of 16057198089 is 126717.

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

16057198089 is a `hidden beast` number, since 1 + 60 + 571 + 9 + 8 + 0 + 8 + 9 = 666.

16057198089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 16057198089 - 2¹⁷ = 16057067017 is a prime.

It is a super-2 number, since 2×16057198089² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16057198019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 359032 + ... + 401270.

Almost surely, 2^16057198089 is an apocalyptic number.

16057198089 is the 126717-th square number.

16057198089 is the 63359-th centered octagonal number.

It is an amenable number.

16057198089 is a deficient number, since it is larger than the sum of its proper divisors (7137081604).

16057198089 is an frugal number, since it uses more digits than its factorization.

16057198089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84484 (or 42242 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 54.

The spelling of 16057198089 in words is "sixteen billion, fifty-seven million, one hundred ninety-eight thousand, eighty-nine".