66056242 has 16 divisors (see below), whose sum is σ = 113380992. Its totient is φ = 28274400.

The previous prime is 66056233. The next prime is 66056261. The reversal of 66056242 is 24265066.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10867 + ... + 15817.

It is an arithmetic number, because the mean of its divisors is an integer number (7086312).

Almost surely, 2^66056242 is an apocalyptic number.

66056242 is a deficient number, since it is larger than the sum of its proper divisors (47324750).

66056242 is a wasteful number, since it uses less digits than its factorization.

66056242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5913.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 66056242 is about 8127.4991233466. The cubic root of 66056242 is about 404.2387610979.

The spelling of 66056242 in words is "sixty-six million, fifty-six thousand, two hundred forty-two".