65966147 has 8 divisors (see below), whose sum is σ = 71174544. Its totient is φ = 60776928.

The previous prime is 65966113. The next prime is 65966149. The reversal of 65966147 is 74166956.

It is a happy number.

65966147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65966147 - 2⁶ = 65966083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65966098 and 65966107.

It is not an unprimeable number, because it can be changed into a prime (65966149) 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 7 ways as a sum of consecutive naturals, for example, 2813 + ... + 11825.

It is an arithmetic number, because the mean of its divisors is an integer number (8896818).

Almost surely, 2^65966147 is an apocalyptic number.

65966147 is a deficient number, since it is larger than the sum of its proper divisors (5208397).

65966147 is a wasteful number, since it uses less digits than its factorization.

65966147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9589.

The product of its digits is 272160, while the sum is 44.

The square root of 65966147 is about 8121.9546292749. The cubic root of 65966147 is about 404.0548952462.

The spelling of 65966147 in words is "sixty-five million, nine hundred sixty-six thousand, one hundred forty-seven".