66416230 has 16 divisors (see below), whose sum is σ = 120424320. Its totient is φ = 26372032.

The previous prime is 66416219. The next prime is 66416243. The reversal of 66416230 is 3261466.

It is a super-2 number, since 2×66416230² = 8822231214825800, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 22870 + ... + 25609.

It is an arithmetic number, because the mean of its divisors is an integer number (7526520).

Almost surely, 2^66416230 is an apocalyptic number.

66416230 is a deficient number, since it is larger than the sum of its proper divisors (54008090).

66416230 is a wasteful number, since it uses less digits than its factorization.

66416230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48623.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 66416230 is about 8149.6153283453. The cubic root of 66416230 is about 404.9717604656.

Adding to 66416230 its reverse (3261466), we get a palindrome (69677696).

The spelling of 66416230 in words is "sixty-six million, four hundred sixteen thousand, two hundred thirty".