6165961011 has 72 divisors (see below), whose sum is σ = 10601149104. Its totient is φ = 3442158720.

The previous prime is 6165961001. The next prime is 6165961031. The reversal of 6165961011 is 1101695616.

6165961011 is a `hidden beast` number, since 61 + 6 + 596 + 1 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 6165961011 - 2¹⁹ = 6165436723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6165961001) by changing a digit.

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, 7736065 + ... + 7736861.

It is an arithmetic number, because the mean of its divisors is an integer number (147238182).

Almost surely, 2^6165961011 is an apocalyptic number.

6165961011 is a deficient number, since it is larger than the sum of its proper divisors (4435188093).

6165961011 is a wasteful number, since it uses less digits than its factorization.

6165961011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201 (or 1191 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 6165961011 is about 78523.6334551579. The cubic root of 6165961011 is about 1833.7224052009.

The spelling of 6165961011 in words is "six billion, one hundred sixty-five million, nine hundred sixty-one thousand, eleven".