6512861163 has 4 divisors (see below), whose sum is σ = 8683814888. Its totient is φ = 4341907440.

The previous prime is 6512861077. The next prime is 6512861167. The reversal of 6512861163 is 3611682156.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6512861163 - 2¹² = 6512857067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6512861167) 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, 1085476858 + ... + 1085476863.

It is an arithmetic number, because the mean of its divisors is an integer number (2170953722).

Almost surely, 2^6512861163 is an apocalyptic number.

6512861163 is a deficient number, since it is larger than the sum of its proper divisors (2170953725).

6512861163 is a wasteful number, since it uses less digits than its factorization.

6512861163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170953724.

The product of its digits is 51840, while the sum is 39.

The square root of 6512861163 is about 80702.2996140754. The cubic root of 6512861163 is about 1867.4856504079.

The spelling of 6512861163 in words is "six billion, five hundred twelve million, eight hundred sixty-one thousand, one hundred sixty-three".