2001117268 has 6 divisors (see below), whose sum is σ = 3501955226. Its totient is φ = 1000558632.

The previous prime is 2001117263. The next prime is 2001117271. The reversal of 2001117268 is 8627111002.

It can be written as a sum of positive squares in only one way, i.e., 1085570704 + 915546564 = 32948^2 + 30258^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001117263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250139655 + ... + 250139662.

Almost surely, 2^2001117268 is an apocalyptic number.

It is an amenable number.

2001117268 is a deficient number, since it is larger than the sum of its proper divisors (1500837958).

2001117268 is a wasteful number, since it uses less digits than its factorization.

2001117268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500279321 (or 500279319 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 2001117268 is about 44733.8492419331. The cubic root of 2001117268 is about 1260.1556177997.

The spelling of 2001117268 in words is "two billion, one million, one hundred seventeen thousand, two hundred sixty-eight".