546120121021646 has 16 divisors (see below), whose sum is σ = 822107511147168. Its totient is φ = 272084312572800.

The previous prime is 546120121021609. The next prime is 546120121021679. The reversal of 546120121021646 is 646120121021645.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31258151 + ... + 45489693.

It is an arithmetic number, because the mean of its divisors is an integer number (51381719446698).

Almost surely, 2^{546120121021646} is an apocalyptic number.

546120121021646 is a deficient number, since it is larger than the sum of its proper divisors (275987390125522).

546120121021646 is a wasteful number, since it uses less digits than its factorization.

546120121021646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14300107.

The product of its (nonzero) digits is 138240, while the sum is 41.

Subtracting 546120121021646 from its reverse (646120121021645), we obtain a palindrome (99999999999999).

The spelling of 546120121021646 in words is "five hundred forty-six trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, six hundred forty-six".