66231914 has 8 divisors (see below), whose sum is σ = 113540448. Its totient is φ = 28385100.

The previous prime is 66231901. The next prime is 66231923. The reversal of 66231914 is 41913266.

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

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, 2365412 + ... + 2365439.

It is an arithmetic number, because the mean of its divisors is an integer number (14192556).

Almost surely, 2^66231914 is an apocalyptic number.

66231914 is a deficient number, since it is larger than the sum of its proper divisors (47308534).

66231914 is a wasteful number, since it uses less digits than its factorization.

66231914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730860.

The product of its digits is 7776, while the sum is 32.

The square root of 66231914 is about 8138.2992080655. The cubic root of 66231914 is about 404.5967922270.

The spelling of 66231914 in words is "sixty-six million, two hundred thirty-one thousand, nine hundred fourteen".