2162049166 has 4 divisors (see below), whose sum is σ = 3243073752. Its totient is φ = 1081024582.

The previous prime is 2162049133. The next prime is 2162049167. The reversal of 2162049166 is 6619402612.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162049167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540512290 + ... + 540512293.

It is an arithmetic number, because the mean of its divisors is an integer number (810768438).

Almost surely, 2^2162049166 is an apocalyptic number.

2162049166 is a deficient number, since it is larger than the sum of its proper divisors (1081024586).

2162049166 is a wasteful number, since it uses less digits than its factorization.

2162049166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081024585.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 2162049166 is about 46497.8404444766. The cubic root of 2162049166 is about 1293.0694620713.

The spelling of 2162049166 in words is "two billion, one hundred sixty-two million, forty-nine thousand, one hundred sixty-six".