65946147 has 8 divisors (see below), whose sum is σ = 88621056. Its totient is φ = 43617672.

The previous prime is 65946137. The next prime is 65946161. The reversal of 65946147 is 74164956.

65946147 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 de Polignac number, because none of the positive numbers 2^k-65946147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65946099 and 65946108.

It is not an unprimeable number, because it can be changed into a prime (65946137) 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, 86163 + ... + 86924.

It is an arithmetic number, because the mean of its divisors is an integer number (11077632).

Almost surely, 2^65946147 is an apocalyptic number.

65946147 is a deficient number, since it is larger than the sum of its proper divisors (22674909).

65946147 is a wasteful number, since it uses less digits than its factorization.

65946147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173217.

The product of its digits is 181440, while the sum is 42.

The square root of 65946147 is about 8120.7233052235. The cubic root of 65946147 is about 404.0140565478.

The spelling of 65946147 in words is "sixty-five million, nine hundred forty-six thousand, one hundred forty-seven".