6516365412 has 12 divisors (see below), whose sum is σ = 15204852656. Its totient is φ = 2172121800.

The previous prime is 6516365411. The next prime is 6516365413. The reversal of 6516365412 is 2145636156.

It is an interprime number because it is at equal distance from previous prime (6516365411) and next prime (6516365413).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (6516365411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271515214 + ... + 271515237.

Almost surely, 2^6516365412 is an apocalyptic number.

It is an amenable number.

6516365412 is an abundant number, since it is smaller than the sum of its proper divisors (8688487244).

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

6516365412 is a wasteful number, since it uses less digits than its factorization.

6516365412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543030458 (or 543030456 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 6516365412 is about 80724.0076557154. The cubic root of 6516365412 is about 1867.8205242940.

The spelling of 6516365412 in words is "six billion, five hundred sixteen million, three hundred sixty-five thousand, four hundred twelve".