2001951116 has 48 divisors (see below), whose sum is σ = 3951430560. Its totient is φ = 879552000.

The previous prime is 2001951103. The next prime is 2001951181. The reversal of 2001951116 is 6111591002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191546 + ... + 201726.

It is an arithmetic number, because the mean of its divisors is an integer number (82321470).

Almost surely, 2^2001951116 is an apocalyptic number.

It is an amenable number.

2001951116 is a deficient number, since it is larger than the sum of its proper divisors (1949479444).

2001951116 is a wasteful number, since it uses less digits than its factorization.

2001951116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10346 (or 10344 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 26.

The square root of 2001951116 is about 44743.1683723895. The cubic root of 2001951116 is about 1260.3306254220.

The spelling of 2001951116 in words is "two billion, one million, nine hundred fifty-one thousand, one hundred sixteen".