66006128 has 10 divisors (see below), whose sum is σ = 127886904. Its totient is φ = 33003056.

The previous prime is 66006107. The next prime is 66006137. The reversal of 66006128 is 82160066.

It is a self number, because there is not a number n which added to its sum of digits gives 66006128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062676 + ... + 2062707.

Almost surely, 2^66006128 is an apocalyptic number.

It is an amenable number.

66006128 is a deficient number, since it is larger than the sum of its proper divisors (61880776).

66006128 is a wasteful number, since it uses less digits than its factorization.

66006128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125391 (or 4125385 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 66006128 is about 8124.4155482102. The cubic root of 66006128 is about 404.1365091089.

The spelling of 66006128 in words is "sixty-six million, six thousand, one hundred twenty-eight".