2163166434 has 96 divisors (see below), whose sum is σ = 5696308800. Its totient is φ = 584196480.

The previous prime is 2163166403. The next prime is 2163166457. The reversal of 2163166434 is 4346613612.

2163166434 is a `hidden beast` number, since 2 + 1 + 6 + 3 + 1 + 6 + 643 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60157 + ... + 89135.

It is an arithmetic number, because the mean of its divisors is an integer number (59336550).

Almost surely, 2^2163166434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2163166434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2848154400).

2163166434 is an abundant number, since it is smaller than the sum of its proper divisors (3533142366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2163166434 is a wasteful number, since it uses less digits than its factorization.

2163166434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29040 (or 29037 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 2163166434 is about 46509.8530851260. The cubic root of 2163166434 is about 1293.2921607298.

The spelling of 2163166434 in words is "two billion, one hundred sixty-three million, one hundred sixty-six thousand, four hundred thirty-four".