66061112 has 16 divisors (see below), whose sum is σ = 133392840. Its totient is φ = 30489696.

The previous prime is 66061097. The next prime is 66061117. The reversal of 66061112 is 21116066.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66061117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317498 + ... + 317705.

Almost surely, 2^66061112 is an apocalyptic number.

It is an amenable number.

66061112 is an abundant number, since it is smaller than the sum of its proper divisors (67331728).

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

66061112 is a wasteful number, since it uses less digits than its factorization.

66061112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635222 (or 635218 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 66061112 is about 8127.7987179802. The cubic root of 66061112 is about 404.2486950286.

Adding to 66061112 its reverse (21116066), we get a palindrome (87177178).

The spelling of 66061112 in words is "sixty-six million, sixty-one thousand, one hundred twelve".