64966 has 8 divisors (see below), whose sum is σ = 106344. Its totient is φ = 29520.

The previous prime is 64951. The next prime is 64969. The reversal of 64966 is 66946.

64966 = T₉₈ + T₉₉ + ... + T₁₀₉.

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

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1455 + ... + 1498.

It is an arithmetic number, because the mean of its divisors is an integer number (13293).

2⁶⁴⁹⁶⁶ is an apocalyptic number.

64966 is a deficient number, since it is larger than the sum of its proper divisors (41378).

64966 is a wasteful number, since it uses less digits than its factorization.

64966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966.

The product of its digits is 7776, while the sum is 31.

The square root of 64966 is about 254.8842874718. The cubic root of 64966 is about 40.2002458670.

The spelling of 64966 in words is "sixty-four thousand, nine hundred sixty-six".