66514227 has 8 divisors (see below), whose sum is σ = 95507664. Its totient is φ = 40931808.

The previous prime is 66514213. The next prime is 66514237. The reversal of 66514227 is 72241566.

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

It is not a de Polignac number, because 66514227 - 2¹⁰ = 66513203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66514237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852708 + ... + 852785.

It is an arithmetic number, because the mean of its divisors is an integer number (11938458).

Almost surely, 2^66514227 is an apocalyptic number.

66514227 is a deficient number, since it is larger than the sum of its proper divisors (28993437).

66514227 is a wasteful number, since it uses less digits than its factorization.

66514227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705509.

The product of its digits is 20160, while the sum is 33.

The square root of 66514227 is about 8155.6254818377. The cubic root of 66514227 is about 405.1708408947.

It can be divided in two parts, 6651 and 4227, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 66514227 in words is "sixty-six million, five hundred fourteen thousand, two hundred twenty-seven".