6261316065 has 32 divisors (see below), whose sum is σ = 11134540800. Its totient is φ = 3338375040.

The previous prime is 6261316057. The next prime is 6261316097. The reversal of 6261316065 is 5606131626.

6261316065 is a `hidden beast` number, since 626 + 13 + 16 + 0 + 6 + 5 = 666.

It is not a de Polignac number, because 6261316065 - 2³ = 6261316057 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 777781 + ... + 785789.

It is an arithmetic number, because the mean of its divisors is an integer number (347954400).

Almost surely, 2^6261316065 is an apocalyptic number.

It is an amenable number.

6261316065 is a deficient number, since it is larger than the sum of its proper divisors (4873224735).

6261316065 is a wasteful number, since it uses less digits than its factorization.

6261316065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13814 (or 13808 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 6261316065 is about 79128.4782173902. The cubic root of 6261316065 is about 1843.1267787881.

The spelling of 6261316065 in words is "six billion, two hundred sixty-one million, three hundred sixteen thousand, sixty-five".