6512864124 has 24 divisors (see below), whose sum is σ = 16365658960. Its totient is φ = 2003958144.

The previous prime is 6512864117. The next prime is 6512864129. The reversal of 6512864124 is 4214682156.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6512864129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20874409 + ... + 20874720.

Almost surely, 2^6512864124 is an apocalyptic number.

It is an amenable number.

6512864124 is an abundant number, since it is smaller than the sum of its proper divisors (9852794836).

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

6512864124 is a wasteful number, since it uses less digits than its factorization.

6512864124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41749149 (or 41749147 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 6512864124 is about 80702.3179592755. The cubic root of 6512864124 is about 1867.4859334184.

The spelling of 6512864124 in words is "six billion, five hundred twelve million, eight hundred sixty-four thousand, one hundred twenty-four".