4561720180612 has 48 divisors (see below), whose sum is σ = 9187521638400. Its totient is φ = 1941330311712.

The previous prime is 4561720180609. The next prime is 4561720180649. The reversal of 4561720180612 is 2160810271654.

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 15 ways as a sum of consecutive naturals, for example, 1988913 + ... + 3616519.

It is an arithmetic number, because the mean of its divisors is an integer number (191406700800).

Almost surely, 2^{4561720180612} is an apocalyptic number.

It is an amenable number.

4561720180612 is an abundant number, since it is smaller than the sum of its proper divisors (4625801457788).

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

4561720180612 is a wasteful number, since it uses less digits than its factorization.

4561720180612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628320 (or 1628318 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 4561720180612 in words is "four trillion, five hundred sixty-one billion, seven hundred twenty million, one hundred eighty thousand, six hundred twelve".