66514330 has 8 divisors (see below), whose sum is σ = 119725812. Its totient is φ = 26605728.

The previous prime is 66514309. The next prime is 66514337. The reversal of 66514330 is 3341566.

It can be written as a sum of positive squares in 2 ways, for example, as 58110129 + 8404201 = 7623^2 + 2899^2 .

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

It is not an unprimeable number, because it can be changed into a prime (66514337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3325707 + ... + 3325726.

Almost surely, 2^66514330 is an apocalyptic number.

66514330 is a deficient number, since it is larger than the sum of its proper divisors (53211482).

66514330 is a wasteful number, since it uses less digits than its factorization.

66514330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6651440.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 66514330 is about 8155.6317964950. The cubic root of 66514330 is about 405.1710500358.

Adding to 66514330 its reverse (3341566), we get a palindrome (69855896).

The spelling of 66514330 in words is "sixty-six million, five hundred fourteen thousand, three hundred thirty".