546666645 has 64 divisors (see below), whose sum is σ = 1063010304. Its totient is φ = 234474240.

The previous prime is 546666623. The next prime is 546666677.

It is a happy number.

546666645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 546666645 - 2⁶ = 546666581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 546666594 and 546666603.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 125860 + ... + 130130.

It is an arithmetic number, because the mean of its divisors is an integer number (16609536).

Almost surely, 2^546666645 is an apocalyptic number.

It is an amenable number.

546666645 is a deficient number, since it is larger than the sum of its proper divisors (516343659).

546666645 is a wasteful number, since it uses less digits than its factorization.

546666645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4362.

The product of its digits is 3110400, while the sum is 48.

The square root of 546666645 is about 23380.9034256592. The cubic root of 546666645 is about 817.6627101805.

The spelling of 546666645 in words is "five hundred forty-six million, six hundred sixty-six thousand, six hundred forty-five".