2161506024163 has 2 divisors, whose sum is σ = 2161506024164. Its totient is φ = 2161506024162.

The previous prime is 2161506024103. The next prime is 2161506024187. The reversal of 2161506024163 is 3614206051612.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2161506024163 is a prime.

It is a super-3 number, since 3×2161506024163³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2161506024103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080753012081 + 1080753012082.

It is an arithmetic number, because the mean of its divisors is an integer number (1080753012082).

Almost surely, 2^{2161506024163} is an apocalyptic number.

2161506024163 is a deficient number, since it is larger than the sum of its proper divisors (1).

2161506024163 is an equidigital number, since it uses as much as digits as its factorization.

2161506024163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 2161506024163 in words is "two trillion, one hundred sixty-one billion, five hundred six million, twenty-four thousand, one hundred sixty-three".