66412310 has 8 divisors (see below), whose sum is σ = 119542176. Its totient is φ = 26564920.

The previous prime is 66412309. The next prime is 66412321. The reversal of 66412310 is 1321466.

It is a happy number.

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

It is a super-2 number, since 2×66412310² = 8821189839072200, 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 3 ways as a sum of consecutive naturals, for example, 3320606 + ... + 3320625.

It is an arithmetic number, because the mean of its divisors is an integer number (14942772).

Almost surely, 2^66412310 is an apocalyptic number.

66412310 is a deficient number, since it is larger than the sum of its proper divisors (53129866).

66412310 is a wasteful number, since it uses less digits than its factorization.

66412310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6641238.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 66412310 is about 8149.3748226474. The cubic root of 66412310 is about 404.9637929325.

Adding to 66412310 its reverse (1321466), we get a palindrome (67733776).

The spelling of 66412310 in words is "sixty-six million, four hundred twelve thousand, three hundred ten".