66514230 has 32 divisors (see below), whose sum is σ = 177372000. Its totient is φ = 17737056.

The previous prime is 66514213. The next prime is 66514237. The reversal of 66514230 is 3241566.

66514230 is a `hidden beast` number, since 6 + 651 + 4 + 2 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 66514194 and 66514203.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 122905 + ... + 123444.

It is an arithmetic number, because the mean of its divisors is an integer number (5542875).

Almost surely, 2^66514230 is an apocalyptic number.

66514230 is an abundant number, since it is smaller than the sum of its proper divisors (110857770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66514230 is a wasteful number, since it uses less digits than its factorization.

66514230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246365 (or 246359 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 66514230 is about 8155.6256657598. The cubic root of 66514230 is about 405.1708469862.

Adding to 66514230 its reverse (3241566), we get a palindrome (69755796).

The spelling of 66514230 in words is "sixty-six million, five hundred fourteen thousand, two hundred thirty".