4781218182546 has 16 divisors (see below), whose sum is σ = 10298008393344. Its totient is φ = 1471144056144.

The previous prime is 4781218182527. The next prime is 4781218182571. The reversal of 4781218182546 is 6452818121874.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30648834426 + ... + 30648834581.

It is an arithmetic number, because the mean of its divisors is an integer number (643625524584).

Almost surely, 2^{4781218182546} is an apocalyptic number.

4781218182546 is an abundant number, since it is smaller than the sum of its proper divisors (5516790210798).

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

4781218182546 is a wasteful number, since it uses less digits than its factorization.

4781218182546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61297669025.

The product of its digits is 6881280, while the sum is 57.

The spelling of 4781218182546 in words is "four trillion, seven hundred eighty-one billion, two hundred eighteen million, one hundred eighty-two thousand, five hundred forty-six".