66242366 has 8 divisors (see below), whose sum is σ = 99790704. Its totient is φ = 32978800.

The previous prime is 66242359. The next prime is 66242389. The reversal of 66242366 is 66324266.

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

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 3 ways as a sum of consecutive naturals, for example, 70610 + ... + 71541.

It is an arithmetic number, because the mean of its divisors is an integer number (12473838).

Almost surely, 2^66242366 is an apocalyptic number.

66242366 is a deficient number, since it is larger than the sum of its proper divisors (33548338).

66242366 is a wasteful number, since it uses less digits than its factorization.

66242366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142386.

The product of its digits is 62208, while the sum is 35.

The square root of 66242366 is about 8138.9413316475. The cubic root of 66242366 is about 404.6180741286.

The spelling of 66242366 in words is "sixty-six million, two hundred forty-two thousand, three hundred sixty-six".