2168404162 has 8 divisors (see below), whose sum is σ = 3443936076. Its totient is φ = 1020425472.

The previous prime is 2168404141. The next prime is 2168404169. The reversal of 2168404162 is 2614048612.

It can be written as a sum of positive squares in 2 ways, for example, as 2161227121 + 7177041 = 46489^2 + 2679^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 63776593 = 2168404162 / (2 + 1 + 6 + 8 + 4 + 0 + 4 + 1 + 6 + 2).

It is not an unprimeable number, because it can be changed into a prime (2168404169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31888263 + ... + 31888330.

Almost surely, 2^2168404162 is an apocalyptic number.

2168404162 is a deficient number, since it is larger than the sum of its proper divisors (1275531914).

2168404162 is a wasteful number, since it uses less digits than its factorization.

2168404162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63776612.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 2168404162 is about 46566.1267661376. The cubic root of 2168404162 is about 1294.3351460681.

The spelling of 2168404162 in words is "two billion, one hundred sixty-eight million, four hundred four thousand, one hundred sixty-two".