4166155066169 has 4 divisors (see below), whose sum is σ = 4181195337444. Its totient is φ = 4151114794896.

The previous prime is 4166155066141. The next prime is 4166155066231. The reversal of 4166155066169 is 9616605516614.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2524650877225 + 1641504188944 = 1588915^2 + 1281212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4166155066169 is a prime.

It is a super-2 number, since 2×4166155066169² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4166175066169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7520135222 + ... + 7520135775.

It is an arithmetic number, because the mean of its divisors is an integer number (1045298834361).

Almost surely, 2^{4166155066169} is an apocalyptic number.

It is an amenable number.

4166155066169 is a deficient number, since it is larger than the sum of its proper divisors (15040271275).

4166155066169 is a wasteful number, since it uses less digits than its factorization.

4166155066169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15040271274.

The product of its (nonzero) digits is 6998400, while the sum is 56.

The spelling of 4166155066169 in words is "four trillion, one hundred sixty-six billion, one hundred fifty-five million, sixty-six thousand, one hundred sixty-nine".