66010712 has 24 divisors (see below), whose sum is σ = 130482300. Its totient is φ = 31220784.

The previous prime is 66010709. The next prime is 66010729. The reversal of 66010712 is 21701066.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99839 + ... + 100497.

Almost surely, 2^66010712 is an apocalyptic number.

It is an amenable number.

66010712 is a deficient number, since it is larger than the sum of its proper divisors (64471588).

66010712 is an equidigital number, since it uses as much as digits as its factorization.

66010712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 66010712 is about 8124.6976559131. The cubic root of 66010712 is about 404.1458643962.

Adding to 66010712 its reverse (21701066), we get a palindrome (87711778).

The spelling of 66010712 in words is "sixty-six million, ten thousand, seven hundred twelve".