546461424164646 has 128 divisors (see below), whose sum is σ = 1251362680934400. Its totient is φ = 178916186562048.

The previous prime is 546461424164641. The next prime is 546461424164653. The reversal of 546461424164646 is 646461424164645.

546461424164646 is a `hidden beast` number, since 5 + 4 + 6 + 4 + 6 + 1 + 424 + 164 + 6 + 46 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546461424164641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62593375 + ... + 70787381.

It is an arithmetic number, because the mean of its divisors is an integer number (9776270944800).

Almost surely, 2^{546461424164646} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 546461424164646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625681340467200).

546461424164646 is an abundant number, since it is smaller than the sum of its proper divisors (704901256769754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

546461424164646 is an equidigital number, since it uses as much as digits as its factorization.

546461424164646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8194302 (or 8194284 counting only the distinct ones).

The product of its digits is 318504960, while the sum is 63.

Subtracting 546461424164646 from its reverse (646461424164645), we obtain a palindrome (99999999999999).

The spelling of 546461424164646 in words is "five hundred forty-six trillion, four hundred sixty-one billion, four hundred twenty-four million, one hundred sixty-four thousand, six hundred forty-six".