2163737943361 has 8 divisors (see below), whose sum is σ = 2165437155240. Its totient is φ = 2162039351808.

The previous prime is 2163737943337. The next prime is 2163737943413. The reversal of 2163737943361 is 1633497373612.

It can be written as a sum of positive squares in 4 ways, for example, as 78691470400 + 2085046472961 = 280520^2 + 1443969^2 .

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 2163737943361 - 2⁷ = 2163737943233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2163737943331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6951025 + ... + 7255633.

It is an arithmetic number, because the mean of its divisors is an integer number (270679644405).

Almost surely, 2^{2163737943361} is an apocalyptic number.

It is an amenable number.

2163737943361 is a deficient number, since it is larger than the sum of its proper divisors (1699211879).

2163737943361 is a wasteful number, since it uses less digits than its factorization.

2163737943361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310163.

The product of its digits is 10287648, while the sum is 55.

The spelling of 2163737943361 in words is "two trillion, one hundred sixty-three billion, seven hundred thirty-seven million, nine hundred forty-three thousand, three hundred sixty-one".