2094911759161 has 9 divisors (see below), whose sum is σ = 2268475119981. Its totient is φ = 1933747332192.

The previous prime is 2094911759153. The next prime is 2094911759189. The reversal of 2094911759161 is 1619571194902.

The square root of 2094911759161 is 1447381.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 477385646761 + 1617526112400 = 690931^2 + 1271820^2 .

It is not a de Polignac number, because 2094911759161 - 2³ = 2094911759153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2094911759131) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18760285 + ... + 18871621.

It is an arithmetic number, because the mean of its divisors is an integer number (252052791109).

Almost surely, 2^{2094911759161} is an apocalyptic number.

2094911759161 is the 1447381-st square number.

2094911759161 is the 723691-st centered octagonal number.

It is an amenable number.

2094911759161 is a deficient number, since it is larger than the sum of its proper divisors (173563360820).

2094911759161 is an frugal number, since it uses more digits than its factorization.

2094911759161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222700 (or 111350 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 55.

The spelling of 2094911759161 in words is "two trillion, ninety-four billion, nine hundred eleven million, seven hundred fifty-nine thousand, one hundred sixty-one".