1804166163 has 32 divisors (see below), whose sum is σ = 2734663680. Its totient is φ = 1175148000.

The previous prime is 1804166153. The next prime is 1804166167. The reversal of 1804166163 is 3616614081.

1804166163 is a `hidden beast` number, since 1 + 80 + 416 + 6 + 163 = 666.

It is not a de Polignac number, because 1804166163 - 2⁶ = 1804166099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1804166167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 356670 + ... + 361692.

It is an arithmetic number, because the mean of its divisors is an integer number (85458240).

Almost surely, 2^1804166163 is an apocalyptic number.

1804166163 is a deficient number, since it is larger than the sum of its proper divisors (930497517).

1804166163 is a wasteful number, since it uses less digits than its factorization.

1804166163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5336 (or 5330 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1804166163 is about 42475.4771956714. The cubic root of 1804166163 is about 1217.3781739419.

The spelling of 1804166163 in words is "one billion, eight hundred four million, one hundred sixty-six thousand, one hundred sixty-three".