546644545446645 has 96 divisors (see below), whose sum is σ = 965907192238560. Its totient is φ = 285940913356800.

The previous prime is 546644545446613. The next prime is 546644545446707.

It is a happy number.

546644545446645 is a `hidden beast` number, since 5 + 4 + 6 + 6 + 445 + 45 + 44 + 66 + 45 = 666.

546644545446645 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 16 ways, for example, as 17306207365329 + 529338338081316 = 4160073^2 + 23007354^2 .

It is not a de Polignac number, because 546644545446645 - 2⁵ = 546644545446613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2116736449 + ... + 2116994681.

It is an arithmetic number, because the mean of its divisors is an integer number (10061533252485).

Almost surely, 2^{546644545446645} is an apocalyptic number.

It is an amenable number.

546644545446645 is a deficient number, since it is larger than the sum of its proper divisors (419262646791915).

546644545446645 is a wasteful number, since it uses less digits than its factorization.

546644545446645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262727 (or 262724 counting only the distinct ones).

The product of its digits is 13271040000, while the sum is 72.

The spelling of 546644545446645 in words is "five hundred forty-six trillion, six hundred forty-four billion, five hundred forty-five million, four hundred forty-six thousand, six hundred forty-five".