4066155 has 12 divisors (see below), whose sum is σ = 7048080. Its totient is φ = 2168592.

The previous prime is 4066151. The next prime is 4066187. The reversal of 4066155 is 5516604.

It is a happy number.

4066155 is a `hidden beast` number, since 40 + 6 + 615 + 5 = 666.

It is not a de Polignac number, because 4066155 - 2² = 4066151 is a prime.

It is a zygodrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (4066151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45135 + ... + 45224.

It is an arithmetic number, because the mean of its divisors is an integer number (587340).

Almost surely, 2^4066155 is an apocalyptic number.

4066155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4066155 is a deficient number, since it is larger than the sum of its proper divisors (2981925).

4066155 is a wasteful number, since it uses less digits than its factorization.

4066155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90370 (or 90367 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 4066155 is about 2016.4709271398. The cubic root of 4066155 is about 159.6104455447.

It can be divided in two parts, 406 and 6155, that added together give a 8-th power (6561 = 3⁸).

The spelling of 4066155 in words is "four million, sixty-six thousand, one hundred fifty-five".