2141976205161 has 40 divisors (see below), whose sum is σ = 3479331535680. Its totient is φ = 1305341669088.

The previous prime is 2141976205153. The next prime is 2141976205163. The reversal of 2141976205161 is 1615026791412.

2141976205161 is a `hidden beast` number, since 2 + 1 + 4 + 1 + 9 + 7 + 620 + 5 + 16 + 1 = 666.

It is not a de Polignac number, because 2141976205161 - 2³ = 2141976205153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2141976205163) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9766131 + ... + 9983048.

It is an arithmetic number, because the mean of its divisors is an integer number (86983288392).

Almost surely, 2^{2141976205161} is an apocalyptic number.

It is an amenable number.

2141976205161 is a deficient number, since it is larger than the sum of its proper divisors (1337355330519).

2141976205161 is a wasteful number, since it uses less digits than its factorization.

2141976205161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19749307 (or 19749298 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 2141976205161 in words is "two trillion, one hundred forty-one billion, nine hundred seventy-six million, two hundred five thousand, one hundred sixty-one".