66412414 has 8 divisors (see below), whose sum is σ = 99875880. Its totient is φ = 33120456.

The previous prime is 66412397. The next prime is 66412433. The reversal of 66412414 is 41421466.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41904 + ... + 43459.

It is an arithmetic number, because the mean of its divisors is an integer number (12484485).

Almost surely, 2^66412414 is an apocalyptic number.

66412414 is a deficient number, since it is larger than the sum of its proper divisors (33463466).

66412414 is a wasteful number, since it uses less digits than its factorization.

66412414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85754.

The product of its digits is 4608, while the sum is 28.

The square root of 66412414 is about 8149.3812035025. The cubic root of 66412414 is about 404.9640043200.

The spelling of 66412414 in words is "sixty-six million, four hundred twelve thousand, four hundred fourteen".