2012270166 has 24 divisors (see below), whose sum is σ = 4433817960. Its totient is φ = 659387616.

The previous prime is 2012270077. The next prime is 2012270191. The reversal of 2012270166 is 6610722102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 946335 + ... + 948458.

It is an arithmetic number, because the mean of its divisors is an integer number (184742415).

Almost surely, 2^2012270166 is an apocalyptic number.

2012270166 is an abundant number, since it is smaller than the sum of its proper divisors (2421547794).

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

2012270166 is a wasteful number, since it uses less digits than its factorization.

2012270166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894860 (or 1894857 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2012270166 is about 44858.3344095610. The cubic root of 2012270166 is about 1262.4923720220.

Adding to 2012270166 its reverse (6610722102), we get a palindrome (8622992268).

The spelling of 2012270166 in words is "two billion, twelve million, two hundred seventy thousand, one hundred sixty-six".