66314512 has 20 divisors (see below), whose sum is σ = 140165136. Its totient is φ = 30142880.

The previous prime is 66314491. The next prime is 66314623. The reversal of 66314512 is 21541366.

66314512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×66314512² = 8795229003596288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188218 + ... + 188569.

Almost surely, 2^66314512 is an apocalyptic number.

It is an amenable number.

66314512 is an abundant number, since it is smaller than the sum of its proper divisors (73850624).

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

66314512 is a wasteful number, since it uses less digits than its factorization.

66314512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376806 (or 376800 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 66314512 is about 8143.3722744327. The cubic root of 66314512 is about 404.7649136113.

Adding to 66314512 its reverse (21541366), we get a palindrome (87855878).

The spelling of 66314512 in words is "sixty-six million, three hundred fourteen thousand, five hundred twelve".