1646163302241 has 8 divisors (see below), whose sum is σ = 2195018213344. Its totient is φ = 1097375296320.

The previous prime is 1646163302237. The next prime is 1646163302321. The reversal of 1646163302241 is 1422033616461.

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

It is not a de Polignac number, because 1646163302241 - 2² = 1646163302237 is a prime.

It is a super-3 number, since 3×1646163302241³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1646163302241.

It is not an unprimeable number, because it can be changed into a prime (1646163307241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16668856 + ... + 16767321.

It is an arithmetic number, because the mean of its divisors is an integer number (274377276668).

Almost surely, 2^{1646163302241} is an apocalyptic number.

It is an amenable number.

1646163302241 is a deficient number, since it is larger than the sum of its proper divisors (548854911103).

1646163302241 is a wasteful number, since it uses less digits than its factorization.

1646163302241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33452591.

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 1646163302241 in words is "one trillion, six hundred forty-six billion, one hundred sixty-three million, three hundred two thousand, two hundred forty-one".