2082564816 has 40 divisors (see below), whose sum is σ = 5412195264. Its totient is φ = 690028800.

The previous prime is 2082564797. The next prime is 2082564839. The reversal of 2082564816 is 6184652802.

It is a super-2 number, since 2×2082564816² = 8674152425682227712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121885 + ... + 137916.

Almost surely, 2^2082564816 is an apocalyptic number.

It is an amenable number.

2082564816 is an abundant number, since it is smaller than the sum of its proper divisors (3329630448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2082564816 is a wasteful number, since it uses less digits than its factorization.

2082564816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259979 (or 259973 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 2082564816 is about 45635.1269966459. The cubic root of 2082564816 is about 1277.0253221194.

The spelling of 2082564816 in words is "two billion, eighty-two million, five hundred sixty-four thousand, eight hundred sixteen".