4166522674217 has 4 divisors (see below), whose sum is σ = 4234826324676. Its totient is φ = 4098219023760.

The previous prime is 4166522674211. The next prime is 4166522674277. The reversal of 4166522674217 is 7124762256614.

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 244296901696 + 3922225772521 = 494264^2 + 1980461^2 .

It is a cyclic number.

It is not a de Polignac number, because 4166522674217 - 2⁴ = 4166522674201 is a prime.

It is a super-2 number, since 2×4166522674217² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4166522674211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34151825138 + ... + 34151825259.

It is an arithmetic number, because the mean of its divisors is an integer number (1058706581169).

Almost surely, 2^{4166522674217} is an apocalyptic number.

It is an amenable number.

4166522674217 is a deficient number, since it is larger than the sum of its proper divisors (68303650459).

4166522674217 is an equidigital number, since it uses as much as digits as its factorization.

4166522674217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68303650458.

The product of its digits is 6773760, while the sum is 53.

The spelling of 4166522674217 in words is "four trillion, one hundred sixty-six billion, five hundred twenty-two million, six hundred seventy-four thousand, two hundred seventeen".