66060604 has 12 divisors (see below), whose sum is σ = 115663464. Its totient is φ = 33013904.

The previous prime is 66060583. The next prime is 66060611. The reversal of 66060604 is 40606066.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11907 + ... + 16549.

It is an arithmetic number, because the mean of its divisors is an integer number (9638622).

Almost surely, 2^66060604 is an apocalyptic number.

It is an amenable number.

66060604 is a deficient number, since it is larger than the sum of its proper divisors (49602860).

66060604 is a wasteful number, since it uses less digits than its factorization.

66060604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8204 (or 8202 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 66060604 is about 8127.7674671462. The cubic root of 66060604 is about 404.2476588221.

The spelling of 66060604 in words is "sixty-six million, sixty thousand, six hundred four".