66514 has 8 divisors (see below), whose sum is σ = 114048. Its totient is φ = 28500.

The previous prime is 66509. The next prime is 66523. The reversal of 66514 is 41566.

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

It is a super-2 number, since 2×66514² = 8848224392, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2362 + ... + 2389.

It is an arithmetic number, because the mean of its divisors is an integer number (14256).

2⁶⁶⁵¹⁴ is an apocalyptic number.

66514 is a deficient number, since it is larger than the sum of its proper divisors (47534).

66514 is a wasteful number, since it uses less digits than its factorization.

66514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760.

The product of its digits is 720, while the sum is 22.

The square root of 66514 is about 257.9030825717. The cubic root of 66514 is about 40.5170379971.

The spelling of 66514 in words is "sixty-six thousand, five hundred fourteen".