6534015165 has 72 divisors (see below), whose sum is σ = 12180219480. Its totient is φ = 3238679808.

The previous prime is 6534015151. The next prime is 6534015179. The reversal of 6534015165 is 5615104356.

It is an interprime number because it is at equal distance from previous prime (6534015151) and next prime (6534015179).

It can be written as a sum of positive squares in 4 ways, for example, as 65512836 + 6468502329 = 8094^2 + 80427^2 .

It is not a de Polignac number, because 6534015165 - 2¹⁴ = 6533998781 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 857191 + ... + 864779.

It is an arithmetic number, because the mean of its divisors is an integer number (169169715).

Almost surely, 2^6534015165 is an apocalyptic number.

It is an amenable number.

6534015165 is a deficient number, since it is larger than the sum of its proper divisors (5646204315).

6534015165 is a wasteful number, since it uses less digits than its factorization.

6534015165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7691 (or 7669 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 6534015165 is about 80833.2553161136. The cubic root of 6534015165 is about 1869.5053516432.

The spelling of 6534015165 in words is "six billion, five hundred thirty-four million, fifteen thousand, one hundred sixty-five".