7065726165 has 48 divisors (see below), whose sum is σ = 12344849712. Its totient is φ = 3738488832.

The previous prime is 7065726121. The next prime is 7065726211. The reversal of 7065726165 is 5616275607.

7065726165 is a `hidden beast` number, since 70 + 6 + 572 + 6 + 1 + 6 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 3902001156 + 3163725009 = 62466^2 + 56247^2 .

It is not a de Polignac number, because 7065726165 - 2¹¹ = 7065724117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 7065726165.

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 47 ways as a sum of consecutive naturals, for example, 3280729 + ... + 3282881.

It is an arithmetic number, because the mean of its divisors is an integer number (257184369).

Almost surely, 2^7065726165 is an apocalyptic number.

It is an amenable number.

7065726165 is a deficient number, since it is larger than the sum of its proper divisors (5279123547).

7065726165 is a wasteful number, since it uses less digits than its factorization.

7065726165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710 (or 2707 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 7065726165 is about 84057.8739024489. The cubic root of 7065726165 is about 1918.8996665678.

The spelling of 7065726165 in words is "seven billion, sixty-five million, seven hundred twenty-six thousand, one hundred sixty-five".