481666116661505 has 8 divisors (see below), whose sum is σ = 578000004869952. Its totient is φ = 385332450078448.

The previous prime is 481666116661459. The next prime is 481666116661519. The reversal of 481666116661505 is 505166611666184.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 481666116661505 - 2¹⁰ = 481666116660481 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50586899 + ... + 59349528.

It is an arithmetic number, because the mean of its divisors is an integer number (72250000608744).

Almost surely, 2^{481666116661505} is an apocalyptic number.

It is an amenable number.

481666116661505 is a deficient number, since it is larger than the sum of its proper divisors (96333888208447).

481666116661505 is a wasteful number, since it uses less digits than its factorization.

481666116661505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110812695.

The product of its (nonzero) digits is 37324800, while the sum is 62.

The spelling of 481666116661505 in words is "four hundred eighty-one trillion, six hundred sixty-six billion, one hundred sixteen million, six hundred sixty-one thousand, five hundred five".