171167207011 has 16 divisors (see below), whose sum is σ = 182953912960. Its totient is φ = 159660642240.

The previous prime is 171167206943. The next prime is 171167207021. The reversal of 171167207011 is 110702761171.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 171167207011 - 2⁷ = 171167206883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171167207021) 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, 2681215 + ... + 2744311.

It is an arithmetic number, because the mean of its divisors is an integer number (11434619560).

Almost surely, 2^171167207011 is an apocalyptic number.

171167207011 is a deficient number, since it is larger than the sum of its proper divisors (11786705949).

171167207011 is a wasteful number, since it uses less digits than its factorization.

171167207011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65314.

The product of its (nonzero) digits is 4116, while the sum is 34.

Adding to 171167207011 its reverse (110702761171), we get a palindrome (281869968182).

The spelling of 171167207011 in words is "one hundred seventy-one billion, one hundred sixty-seven million, two hundred seven thousand, eleven".