2021016562 has 16 divisors (see below), whose sum is σ = 3126340800. Its totient is φ = 979385680.

The previous prime is 2021016533. The next prime is 2021016611. The reversal of 2021016562 is 2656101202.

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 7 ways as a sum of consecutive naturals, for example, 112237 + ... + 128992.

It is an arithmetic number, because the mean of its divisors is an integer number (195396300).

Almost surely, 2^2021016562 is an apocalyptic number.

2021016562 is a deficient number, since it is larger than the sum of its proper divisors (1105324238).

2021016562 is a wasteful number, since it uses less digits than its factorization.

2021016562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241361.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2021016562 is about 44955.7177898429. The cubic root of 2021016562 is about 1264.3188826022.

Adding to 2021016562 its reverse (2656101202), we get a palindrome (4677117764).

The spelling of 2021016562 in words is "two billion, twenty-one million, sixteen thousand, five hundred sixty-two".