2166410841 has 8 divisors (see below), whose sum is σ = 3301197504. Its totient is φ = 1237949040.

The previous prime is 2166410819. The next prime is 2166410863. The reversal of 2166410841 is 1480146612.

It is an interprime number because it is at equal distance from previous prime (2166410819) and next prime (2166410863).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2166410841 - 2⁶ = 2166410777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2166410941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51581190 + ... + 51581231.

It is an arithmetic number, because the mean of its divisors is an integer number (412649688).

Almost surely, 2^2166410841 is an apocalyptic number.

2166410841 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2166410841 is a deficient number, since it is larger than the sum of its proper divisors (1134786663).

2166410841 is a wasteful number, since it uses less digits than its factorization.

2166410841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103162431.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 2166410841 is about 46544.7187229658. The cubic root of 2166410841 is about 1293.9384155376.

The spelling of 2166410841 in words is "two billion, one hundred sixty-six million, four hundred ten thousand, eight hundred forty-one".