526166121 has 32 divisors (see below), whose sum is σ = 768759040. Its totient is φ = 320067072.

The previous prime is 526166089. The next prime is 526166153. The reversal of 526166121 is 121661625.

It is an interprime number because it is at equal distance from previous prime (526166089) and next prime (526166153).

It is not a de Polignac number, because 526166121 - 2⁵ = 526166089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (526166171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 638916 + ... + 639738.

It is an arithmetic number, because the mean of its divisors is an integer number (24023720).

Almost surely, 2^526166121 is an apocalyptic number.

It is an amenable number.

526166121 is a deficient number, since it is larger than the sum of its proper divisors (242592919).

526166121 is an equidigital number, since it uses as much as digits as its factorization.

526166121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962 (or 936 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 526166121 is about 22938.3112063639. The cubic root of 526166121 is about 807.3111680045.

The spelling of 526166121 in words is "five hundred twenty-six million, one hundred sixty-six thousand, one hundred twenty-one".