2161500454341 has 16 divisors (see below), whose sum is σ = 3247324629120. Its totient is φ = 1420704522720.

The previous prime is 2161500454313. The next prime is 2161500454349. The reversal of 2161500454341 is 1434540051612.

2161500454341 is a `hidden beast` number, since 2 + 1 + 61 + 50 + 0 + 4 + 543 + 4 + 1 = 666.

It is not a de Polignac number, because 2161500454341 - 2³⁰ = 2160426712517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2161500454296 and 2161500454305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161500454349) 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, 563769720 + ... + 563773553.

It is an arithmetic number, because the mean of its divisors is an integer number (202957789320).

Almost surely, 2^{2161500454341} is an apocalyptic number.

It is an amenable number.

2161500454341 is a deficient number, since it is larger than the sum of its proper divisors (1085824174779).

2161500454341 is a wasteful number, since it uses less digits than its factorization.

2161500454341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127543353 (or 1127543347 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 2161500454341 in words is "two trillion, one hundred sixty-one billion, five hundred million, four hundred fifty-four thousand, three hundred forty-one".