633212166 has 8 divisors (see below), whose sum is σ = 1266424344. Its totient is φ = 211070720.

The previous prime is 633212161. The next prime is 633212179. The reversal of 633212166 is 661212336.

It is a sphenic number, since it is the product of 3 distinct primes.

633212166 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633212161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52767675 + ... + 52767686.

It is an arithmetic number, because the mean of its divisors is an integer number (158303043).

Almost surely, 2^633212166 is an apocalyptic number.

633212166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

633212166 is a wasteful number, since it uses less digits than its factorization.

633212166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105535366.

The product of its digits is 7776, while the sum is 30.

The square root of 633212166 is about 25163.7073182788. The cubic root of 633212166 is about 858.7163859470.

The spelling of 633212166 in words is "six hundred thirty-three million, two hundred twelve thousand, one hundred sixty-six".