2001334688 has 24 divisors (see below), whose sum is σ = 3942307908. Its totient is φ = 1000113664.

The previous prime is 2001334667. The next prime is 2001334697. The reversal of 2001334688 is 8864331002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1977403024 + 23931664 = 44468^2 + 4892^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44870 + ... + 77562.

Almost surely, 2^2001334688 is an apocalyptic number.

It is an amenable number.

2001334688 is a deficient number, since it is larger than the sum of its proper divisors (1940973220).

2001334688 is a wasteful number, since it uses less digits than its factorization.

2001334688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34616 (or 34608 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 2001334688 is about 44736.2793267388. The cubic root of 2001334688 is about 1260.2012544909.

The spelling of 2001334688 in words is "two billion, one million, three hundred thirty-four thousand, six hundred eighty-eight".