666033152 has 44 divisors (see below), whose sum is σ = 1367477880. Its totient is φ = 323997696.

The previous prime is 666033133. The next prime is 666033161. The reversal of 666033152 is 251330666.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29099 + ... + 46677.

Almost surely, 2^666033152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 666033152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683738940).

666033152 is an abundant number, since it is smaller than the sum of its proper divisors (701444728).

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

666033152 is a wasteful number, since it uses less digits than its factorization.

666033152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17636 (or 17618 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 666033152 is about 25807.6181000882. The cubic root of 666033152 is about 873.3036640207.

The spelling of 666033152 in words is "six hundred sixty-six million, thirty-three thousand, one hundred fifty-two".