546646645 has 32 divisors (see below), whose sum is σ = 715671936. Its totient is φ = 399206400.

The previous prime is 546646631. The next prime is 546646649.

546646645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 546646645 - 2⁷ = 546646517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 546646595 and 546646604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546646649) 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 31 ways as a sum of consecutive naturals, for example, 790750 + ... + 791440.

It is an arithmetic number, because the mean of its divisors is an integer number (22364748).

Almost surely, 2^546646645 is an apocalyptic number.

It is an amenable number.

546646645 is a deficient number, since it is larger than the sum of its proper divisors (169025291).

546646645 is a wasteful number, since it uses less digits than its factorization.

546646645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981.

The product of its digits is 2073600, while the sum is 46.

The square root of 546646645 is about 23380.4757222773. The cubic root of 546646645 is about 817.6527385620.

The spelling of 546646645 in words is "five hundred forty-six million, six hundred forty-six thousand, six hundred forty-five".