66056006 has 4 divisors (see below), whose sum is σ = 99084012. Its totient is φ = 33028002.

The previous prime is 66055993. The next prime is 66056017. The reversal of 66056006 is 60065066.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66056006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16514000 + ... + 16514003.

It is an arithmetic number, because the mean of its divisors is an integer number (24771003).

Almost surely, 2^66056006 is an apocalyptic number.

66056006 is a deficient number, since it is larger than the sum of its proper divisors (33028006).

66056006 is a wasteful number, since it uses less digits than its factorization.

66056006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33028005.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 66056006 is about 8127.4846047224. The cubic root of 66056006 is about 404.2382796876.

The spelling of 66056006 in words is "sixty-six million, fifty-six thousand, six", and thus it is an eban number.