1665460216163 has 8 divisors (see below), whose sum is σ = 1693722700800. Its totient is φ = 1637198876488.

The previous prime is 1665460216103. The next prime is 1665460216237. The reversal of 1665460216163 is 3616120645661.

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 1665460216163 - 2⁸ = 1665460215907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1665460216103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2956718 + ... + 3474636.

It is an arithmetic number, because the mean of its divisors is an integer number (211715337600).

Almost surely, 2^{1665460216163} is an apocalyptic number.

1665460216163 is a deficient number, since it is larger than the sum of its proper divisors (28262484637).

1665460216163 is an equidigital number, since it uses as much as digits as its factorization.

1665460216163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572481.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 1665460216163 in words is "one trillion, six hundred sixty-five billion, four hundred sixty million, two hundred sixteen thousand, one hundred sixty-three".