66328414 has 8 divisors (see below), whose sum is σ = 99579600. Its totient is φ = 33135216.

The previous prime is 66328397. The next prime is 66328433. The reversal of 66328414 is 41482366.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66328414.

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, 11514 + ... + 16285.

It is an arithmetic number, because the mean of its divisors is an integer number (12447450).

Almost surely, 2^66328414 is an apocalyptic number.

66328414 is a deficient number, since it is larger than the sum of its proper divisors (33251186).

66328414 is a wasteful number, since it uses less digits than its factorization.

66328414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28994.

The product of its digits is 27648, while the sum is 34.

The square root of 66328414 is about 8144.2258072821. The cubic root of 66328414 is about 404.7931962526.

The spelling of 66328414 in words is "sixty-six million, three hundred twenty-eight thousand, four hundred fourteen".