2021574616 has 16 divisors (see below), whose sum is σ = 3989950200. Its totient is φ = 957587904.

The previous prime is 2021574613. The next prime is 2021574617. The reversal of 2021574616 is 6164751202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021574613) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6649765 + ... + 6650068.

Almost surely, 2^2021574616 is an apocalyptic number.

It is an amenable number.

2021574616 is a deficient number, since it is larger than the sum of its proper divisors (1968375584).

2021574616 is a wasteful number, since it uses less digits than its factorization.

2021574616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13299858 (or 13299854 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2021574616 is about 44961.9240691499. The cubic root of 2021574616 is about 1264.4352420772.

The spelling of 2021574616 in words is "two billion, twenty-one million, five hundred seventy-four thousand, six hundred sixteen".