66080164 has 12 divisors (see below), whose sum is σ = 118329904. Its totient is φ = 32271624.

The previous prime is 66080137. The next prime is 66080171. The reversal of 66080164 is 46108066.

66080164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191922 + ... + 192265.

Almost surely, 2^66080164 is an apocalyptic number.

It is an amenable number.

66080164 is a deficient number, since it is larger than the sum of its proper divisors (52249740).

66080164 is a wasteful number, since it uses less digits than its factorization.

66080164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384234 (or 384232 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 66080164 is about 8128.9706605449. The cubic root of 66080164 is about 404.2875530175.

The spelling of 66080164 in words is "sixty-six million, eighty thousand, one hundred sixty-four".