546437665 has 4 divisors (see below), whose sum is σ = 655725204. Its totient is φ = 437150128.

The previous prime is 546437659. The next prime is 546437669. The reversal of 546437665 is 566734645.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 196336144 + 350101521 = 14012^2 + 18711^2 .

It is a cyclic number.

It is not a de Polignac number, because 546437665 - 2⁹ = 546437153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (546437669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54643762 + ... + 54643771.

It is an arithmetic number, because the mean of its divisors is an integer number (163931301).

Almost surely, 2^546437665 is an apocalyptic number.

It is an amenable number.

546437665 is a deficient number, since it is larger than the sum of its proper divisors (109287539).

546437665 is a wasteful number, since it uses less digits than its factorization.

546437665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109287538.

The product of its digits is 1814400, while the sum is 46.

The square root of 546437665 is about 23376.0061815529. The cubic root of 546437665 is about 817.5485305695.

The spelling of 546437665 in words is "five hundred forty-six million, four hundred thirty-seven thousand, six hundred sixty-five".