66006332 has 18 divisors (see below), whose sum is σ = 134370432. Its totient is φ = 28288344.

The previous prime is 66006319. The next prime is 66006341. The reversal of 66006332 is 23360066.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 168188 + ... + 168579.

It is an arithmetic number, because the mean of its divisors is an integer number (7465024).

Almost surely, 2^66006332 is an apocalyptic number.

It is an amenable number.

66006332 is an abundant number, since it is smaller than the sum of its proper divisors (68364100).

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

66006332 is a wasteful number, since it uses less digits than its factorization.

66006332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336785 (or 336776 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 66006332 is about 8124.4281029498. The cubic root of 66006332 is about 404.1369254529.

Adding to 66006332 its reverse (23360066), we get a palindrome (89366398).

The spelling of 66006332 in words is "sixty-six million, six thousand, three hundred thirty-two".