66616352 has 24 divisors (see below), whose sum is σ = 143074512. Its totient is φ = 30280000.

The previous prime is 66616327. The next prime is 66616357. The reversal of 66616352 is 25361666.

66616352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (66616357) by changing a digit.

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, 94274 + ... + 94977.

It is an arithmetic number, because the mean of its divisors is an integer number (5961438).

Almost surely, 2^66616352 is an apocalyptic number.

It is an amenable number.

66616352 is an abundant number, since it is smaller than the sum of its proper divisors (76458160).

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

66616352 is a wasteful number, since it uses less digits than its factorization.

66616352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189272 (or 189264 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 66616352 is about 8161.8840962121. The cubic root of 66616352 is about 405.3780993763.

The spelling of 66616352 in words is "sixty-six million, six hundred sixteen thousand, three hundred fifty-two".