666162333 has 16 divisors (see below), whose sum is σ = 1003636800. Its totient is φ = 436579920.

The previous prime is 666162313. The next prime is 666162347. The reversal of 666162333 is 333261666.

It is a happy number.

It is not a de Polignac number, because 666162333 - 2¹³ = 666154141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666162313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207498 + ... + 210683.

It is an arithmetic number, because the mean of its divisors is an integer number (62727300).

Almost surely, 2^666162333 is an apocalyptic number.

It is an amenable number.

666162333 is a deficient number, since it is larger than the sum of its proper divisors (337474467).

666162333 is a wasteful number, since it uses less digits than its factorization.

666162333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418249 (or 418243 counting only the distinct ones).

The product of its digits is 69984, while the sum is 36.

The square root of 666162333 is about 25810.1207474897. The cubic root of 666162333 is about 873.3601211442.

The spelling of 666162333 in words is "six hundred sixty-six million, one hundred sixty-two thousand, three hundred thirty-three".