826545166 has 16 divisors (see below), whose sum is σ = 1246748256. Its totient is φ = 410969376.

The previous prime is 826545143. The next prime is 826545169. The reversal of 826545166 is 661545628.

It is a super-2 number, since 2×826545166² = 1366353822875935112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826545169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307420 + ... + 310096.

It is an arithmetic number, because the mean of its divisors is an integer number (77921766).

Almost surely, 2^826545166 is an apocalyptic number.

826545166 is a deficient number, since it is larger than the sum of its proper divisors (420203090).

826545166 is a wasteful number, since it uses less digits than its factorization.

826545166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483.

The product of its digits is 345600, while the sum is 43.

The square root of 826545166 is about 28749.6985375499. The cubic root of 826545166 is about 938.4738953475.

The spelling of 826545166 in words is "eight hundred twenty-six million, five hundred forty-five thousand, one hundred sixty-six".