61332666 has 8 divisors (see below), whose sum is σ = 122665344. Its totient is φ = 20444220.

The previous prime is 61332631. The next prime is 61332701. The reversal of 61332666 is 66623316.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (61332631) and next prime (61332701).

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

61332666 is an admirable number.

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

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 3 ways as a sum of consecutive naturals, for example, 5111050 + ... + 5111061.

It is an arithmetic number, because the mean of its divisors is an integer number (15333168).

Almost surely, 2^61332666 is an apocalyptic number.

61332666 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.

61332666 is a wasteful number, since it uses less digits than its factorization.

61332666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10222116.

The product of its digits is 23328, while the sum is 33.

The square root of 61332666 is about 7831.5174774752. The cubic root of 61332666 is about 394.3640163524.

The spelling of 61332666 in words is "sixty-one million, three hundred thirty-two thousand, six hundred sixty-six".