66056014 has 4 divisors (see below), whose sum is σ = 99084024. Its totient is φ = 33028006.

The previous prime is 66055993. The next prime is 66056017. The reversal of 66056014 is 41065066.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66056017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16514002 + ... + 16514005.

It is an arithmetic number, because the mean of its divisors is an integer number (24771006).

Almost surely, 2^66056014 is an apocalyptic number.

66056014 is a deficient number, since it is larger than the sum of its proper divisors (33028010).

66056014 is a wasteful number, since it uses less digits than its factorization.

66056014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33028009.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 66056014 is about 8127.4850968796. The cubic root of 66056014 is about 404.2382960067.

The spelling of 66056014 in words is "sixty-six million, fifty-six thousand, fourteen".