66056662 has 16 divisors (see below), whose sum is σ = 119901600. Its totient is φ = 26644608.

The previous prime is 66056659. The next prime is 66056663. The reversal of 66056662 is 26665066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66056663) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 138537 + ... + 139012.

It is an arithmetic number, because the mean of its divisors is an integer number (7493850).

Almost surely, 2^66056662 is an apocalyptic number.

66056662 is a deficient number, since it is larger than the sum of its proper divisors (53844938).

66056662 is a wasteful number, since it uses less digits than its factorization.

66056662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277575.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 66056662 is about 8127.5249615120. The cubic root of 66056662 is about 404.2396178422.

The spelling of 66056662 in words is "sixty-six million, fifty-six thousand, six hundred sixty-two".