546544646 has 16 divisors (see below), whose sum is σ = 823746624. Its totient is φ = 271966464.

The previous prime is 546544631. The next prime is 546544697. The reversal of 546544646 is 646445645.

It is a super-2 number, since 2×546544646² = 597422100142530632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 546544597 and 546544606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622760 + ... + 623636.

It is an arithmetic number, because the mean of its divisors is an integer number (51484164).

Almost surely, 2^546544646 is an apocalyptic number.

546544646 is a deficient number, since it is larger than the sum of its proper divisors (277201978).

546544646 is a wasteful number, since it uses less digits than its factorization.

546544646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015.

The product of its digits is 1382400, while the sum is 44.

The square root of 546544646 is about 23378.2943347029. The cubic root of 546544646 is about 817.6018800229.

Subtracting 546544646 from its reverse (646445645), we obtain a palindrome (99900999).

The spelling of 546544646 in words is "five hundred forty-six million, five hundred forty-four thousand, six hundred forty-six".