6465020112 has 60 divisors (see below), whose sum is σ = 18716988420. Its totient is φ = 2080694784.

The previous prime is 6465020057. The next prime is 6465020119. The reversal of 6465020112 is 2110205646.

6465020112 is a `hidden beast` number, since 6 + 4 + 650 + 2 + 0 + 1 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2665037376 + 3799982736 = 51624^2 + 61644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6465020119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 769893 + ... + 778244.

It is an arithmetic number, because the mean of its divisors is an integer number (311949807).

Almost surely, 2^6465020112 is an apocalyptic number.

It is an amenable number.

6465020112 is an abundant number, since it is smaller than the sum of its proper divisors (12251968308).

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

6465020112 is a wasteful number, since it uses less digits than its factorization.

6465020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548180 (or 1548171 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 6465020112 is about 80405.3487773046. The cubic root of 6465020112 is about 1862.9017903616.

Adding to 6465020112 its reverse (2110205646), we get a palindrome (8575225758).

The spelling of 6465020112 in words is "six billion, four hundred sixty-five million, twenty thousand, one hundred twelve".