66161304 has 48 divisors (see below), whose sum is σ = 195478920. Its totient is φ = 20048640.

The previous prime is 66161281. The next prime is 66161321. The reversal of 66161304 is 40316166.

66161304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 40977 + ... + 42560.

Almost surely, 2^66161304 is an apocalyptic number.

It is an amenable number.

66161304 is an abundant number, since it is smaller than the sum of its proper divisors (129317616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66161304 is a wasteful number, since it uses less digits than its factorization.

66161304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83560 (or 83553 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 66161304 is about 8133.9599212192. The cubic root of 66161304 is about 404.4529605697.

The spelling of 66161304 in words is "sixty-six million, one hundred sixty-one thousand, three hundred four".