66682332 has 24 divisors (see below), whose sum is σ = 172880400. Its totient is φ = 22227408.

The previous prime is 66682309. The next prime is 66682373. The reversal of 66682332 is 23328666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308607 + ... + 308822.

It is an arithmetic number, because the mean of its divisors is an integer number (7203350).

Almost surely, 2^66682332 is an apocalyptic number.

It is an amenable number.

66682332 is an abundant number, since it is smaller than the sum of its proper divisors (106198068).

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

66682332 is a wasteful number, since it uses less digits than its factorization.

66682332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617442 (or 617434 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 66682332 is about 8165.9250547626. The cubic root of 66682332 is about 405.5118904581.

The spelling of 66682332 in words is "sixty-six million, six hundred eighty-two thousand, three hundred thirty-two".