66882814 has 8 divisors (see below), whose sum is σ = 100598688. Its totient is φ = 33349920.

The previous prime is 66882797. The next prime is 66882821. The reversal of 66882814 is 41828866.

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, 44827 + ... + 46294.

It is an arithmetic number, because the mean of its divisors is an integer number (12574836).

Almost surely, 2^66882814 is an apocalyptic number.

66882814 is a deficient number, since it is larger than the sum of its proper divisors (33715874).

66882814 is a wasteful number, since it uses less digits than its factorization.

66882814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91490.

The product of its digits is 147456, while the sum is 43.

The square root of 66882814 is about 8178.1913648435. The cubic root of 66882814 is about 405.9178775394.

The spelling of 66882814 in words is "sixty-six million, eight hundred eighty-two thousand, eight hundred fourteen".