166330782 has 24 divisors (see below), whose sum is σ = 360674496. Its totient is φ = 55398816.

The previous prime is 166330781. The next prime is 166330789. The reversal of 166330782 is 287033661.

It is a happy number.

166330782 is a `hidden beast` number, since 16 + 633 + 0 + 7 + 8 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166330781) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 25258 + ... + 31154.

It is an arithmetic number, because the mean of its divisors is an integer number (15028104).

Almost surely, 2^166330782 is an apocalyptic number.

166330782 is an abundant number, since it is smaller than the sum of its proper divisors (194343714).

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

166330782 is a wasteful number, since it uses less digits than its factorization.

166330782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7472 (or 7469 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 166330782 is about 12896.9291693798. The cubic root of 166330782 is about 549.9512706139.

The spelling of 166330782 in words is "one hundred sixty-six million, three hundred thirty thousand, seven hundred eighty-two".