546016689 has 9 divisors (see below), whose sum is σ = 788792043. Its totient is φ = 363964392.

The previous prime is 546016663. The next prime is 546016703. The reversal of 546016689 is 986610645.

The square root of 546016689 is 23367.

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., 322813089 + 223203600 = 17967^2 + 14940^2 .

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

It is not a de Polignac number, because 546016689 - 2¹³ = 546008497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (546016649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 66207 + ... + 73995.

Almost surely, 2^546016689 is an apocalyptic number.

546016689 is the 23367-th square number.

546016689 is the 11684-th centered octagonal number.

It is an amenable number.

546016689 is a deficient number, since it is larger than the sum of its proper divisors (242775354).

546016689 is an frugal number, since it uses more digits than its factorization.

546016689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15584 (or 7792 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The cubic root of 546016689 is about 817.3385299585.

The spelling of 546016689 in words is "five hundred forty-six million, sixteen thousand, six hundred eighty-nine".