2001606112 has 48 divisors (see below), whose sum is σ = 4551794352. Its totient is φ = 856299520.

The previous prime is 2001606067. The next prime is 2001606121. The reversal of 2001606112 is 2116061002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001606112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161263 + ... + 173230.

It is an arithmetic number, because the mean of its divisors is an integer number (94829049).

Almost surely, 2^2001606112 is an apocalyptic number.

2001606112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2001606112 is an abundant number, since it is smaller than the sum of its proper divisors (2550188240).

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

2001606112 is a wasteful number, since it uses less digits than its factorization.

2001606112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334531 (or 334523 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2001606112 is about 44739.3128244053. The cubic root of 2001606112 is about 1260.2582220411.

Adding to 2001606112 its reverse (2116061002), we get a palindrome (4117667114).

The spelling of 2001606112 in words is "two billion, one million, six hundred six thousand, one hundred twelve".