2163441664433 has 16 divisors (see below), whose sum is σ = 2515347984000. Its totient is φ = 1822269560832.

The previous prime is 2163441664381. The next prime is 2163441664457. The reversal of 2163441664433 is 3344661443612.

It is not a de Polignac number, because 2163441664433 - 2¹⁶ = 2163441598897 is a prime.

It is a super-2 number, since 2×2163441664433² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2163441664333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136523 + ... + 2084591.

It is an arithmetic number, because the mean of its divisors is an integer number (157209249000).

Almost surely, 2^{2163441664433} is an apocalyptic number.

It is an amenable number.

2163441664433 is a deficient number, since it is larger than the sum of its proper divisors (351906319567).

2163441664433 is a wasteful number, since it uses less digits than its factorization.

2163441664433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950824.

The product of its digits is 2985984, while the sum is 47.

The spelling of 2163441664433 in words is "two trillion, one hundred sixty-three billion, four hundred forty-one million, six hundred sixty-four thousand, four hundred thirty-three".