66210240604 has 12 divisors (see below), whose sum is σ = 116752409928. Its totient is φ = 32852409200.

The previous prime is 66210240583. The next prime is 66210240667. The reversal of 66210240604 is 40604201266.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63177187 + ... + 63178234.

It is an arithmetic number, because the mean of its divisors is an integer number (9729367494).

Almost surely, 2^66210240604 is an apocalyptic number.

It is an amenable number.

66210240604 is a deficient number, since it is larger than the sum of its proper divisors (50542169324).

66210240604 is a wasteful number, since it uses less digits than its factorization.

66210240604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126355556 (or 126355554 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 66210240604 in words is "sixty-six billion, two hundred ten million, two hundred forty thousand, six hundred four".