2012638662 has 12 divisors (see below), whose sum is σ = 4360717140. Its totient is φ = 670879548.

The previous prime is 2012638609. The next prime is 2012638673. The reversal of 2012638662 is 2668362102.

2012638662 is a `hidden beast` number, since 2 + 0 + 12 + 638 + 6 + 6 + 2 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55906612 + ... + 55906647.

It is an arithmetic number, because the mean of its divisors is an integer number (363393095).

Almost surely, 2^2012638662 is an apocalyptic number.

2012638662 is an abundant number, since it is smaller than the sum of its proper divisors (2348078478).

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

2012638662 is a wasteful number, since it uses less digits than its factorization.

2012638662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111813267 (or 111813264 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 2012638662 is about 44862.4415519263. The cubic root of 2012638662 is about 1262.5694317532.

The spelling of 2012638662 in words is "two billion, twelve million, six hundred thirty-eight thousand, six hundred sixty-two".