2001516862 has 16 divisors (see below), whose sum is σ = 3226329360. Its totient is φ = 927831168.

The previous prime is 2001516859. The next prime is 2001516883. The reversal of 2001516862 is 2686151002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437037 + ... + 441592.

It is an arithmetic number, because the mean of its divisors is an integer number (201645585).

Almost surely, 2^2001516862 is an apocalyptic number.

2001516862 is a deficient number, since it is larger than the sum of its proper divisors (1224812498).

2001516862 is a wasteful number, since it uses less digits than its factorization.

2001516862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878715.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 2001516862 is about 44738.3153683730. The cubic root of 2001516862 is about 1260.2394904640.

Adding to 2001516862 its reverse (2686151002), we get a palindrome (4687667864).

The spelling of 2001516862 in words is "two billion, one million, five hundred sixteen thousand, eight hundred sixty-two".