4166520187 has 16 divisors (see below), whose sum is σ = 4400842752. Its totient is φ = 3939485760.

The previous prime is 4166520167. The next prime is 4166520209. The reversal of 4166520187 is 7810256614.

It is a cyclic number.

It is not a de Polignac number, because 4166520187 - 2¹⁵ = 4166487419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4166520167) 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 15 ways as a sum of consecutive naturals, for example, 233538 + ... + 250744.

It is an arithmetic number, because the mean of its divisors is an integer number (275052672).

Almost surely, 2^4166520187 is an apocalyptic number.

4166520187 is a deficient number, since it is larger than the sum of its proper divisors (234322565).

4166520187 is a wasteful number, since it uses less digits than its factorization.

4166520187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17418.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 4166520187 is about 64548.5878001990. The cubic root of 4166520187 is about 1609.1301175133.

The spelling of 4166520187 in words is "four billion, one hundred sixty-six million, five hundred twenty thousand, one hundred eighty-seven".