4081165659 has 12 divisors (see below), whose sum is σ = 5897874216. Its totient is φ = 2719458432.

The previous prime is 4081165657. The next prime is 4081165661. The reversal of 4081165659 is 9565611804.

4081165659 is a `hidden beast` number, since 4 + 0 + 81 + 1 + 6 + 565 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (4081165657) and next prime (4081165661).

It is not a de Polignac number, because 4081165659 - 2¹ = 4081165657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4081165651) 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 11 ways as a sum of consecutive naturals, for example, 90102 + ... + 127595.

It is an arithmetic number, because the mean of its divisors is an integer number (491489518).

Almost surely, 2^4081165659 is an apocalyptic number.

4081165659 is a deficient number, since it is larger than the sum of its proper divisors (1816708557).

4081165659 is a wasteful number, since it uses less digits than its factorization.

4081165659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219786 (or 219783 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 4081165659 is about 63884.0015888172. The cubic root of 4081165659 is about 1598.0661086642.

The spelling of 4081165659 in words is "four billion, eighty-one million, one hundred sixty-five thousand, six hundred fifty-nine".