217106070041 has 16 divisors (see below), whose sum is σ = 258480996480. Its totient is φ = 178474945920.

The previous prime is 217106070023. The next prime is 217106070107. The reversal of 217106070041 is 140070601712.

It is a cyclic number.

It is not a de Polignac number, because 217106070041 - 2³⁰ = 216032328217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 217106069986 and 217106070013.

It is not an unprimeable number, because it can be changed into a prime (217106076041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6393806 + ... + 6427671.

It is an arithmetic number, because the mean of its divisors is an integer number (16155062280).

Almost surely, 2^217106070041 is an apocalyptic number.

It is an amenable number.

217106070041 is a deficient number, since it is larger than the sum of its proper divisors (41374926439).

217106070041 is a wasteful number, since it uses less digits than its factorization.

217106070041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12821584.

The product of its (nonzero) digits is 2352, while the sum is 29.

Adding to 217106070041 its reverse (140070601712), we get a palindrome (357176671753).

The spelling of 217106070041 in words is "two hundred seventeen billion, one hundred six million, seventy thousand, forty-one".