66214300 has 18 divisors (see below), whose sum is σ = 143685248. Its totient is φ = 26485680.

The previous prime is 66214277. The next prime is 66214301. The reversal of 66214300 is 341266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66214301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 330972 + ... + 331171.

Almost surely, 2^66214300 is an apocalyptic number.

It is an amenable number.

66214300 is an abundant number, since it is smaller than the sum of its proper divisors (77470948).

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

66214300 is a wasteful number, since it uses less digits than its factorization.

66214300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662157 (or 662150 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 66214300 is about 8137.2169689643. The cubic root of 66214300 is about 404.5609223101.

Adding to 66214300 its reverse (341266), we get a palindrome (66555566).

The spelling of 66214300 in words is "sixty-six million, two hundred fourteen thousand, three hundred".