66501112 has 16 divisors (see below), whose sum is σ = 125100360. Its totient is φ = 33141024.

The previous prime is 66501103. The next prime is 66501131. The reversal of 66501112 is 21110566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11083 + ... + 15994.

Almost surely, 2^66501112 is an apocalyptic number.

It is an amenable number.

66501112 is a deficient number, since it is larger than the sum of its proper divisors (58599248).

66501112 is a wasteful number, since it uses less digits than its factorization.

66501112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27390 (or 27386 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 66501112 is about 8154.8213959596. The cubic root of 66501112 is about 405.1442091744.

Adding to 66501112 its reverse (21110566), we get a palindrome (87611678).

The spelling of 66501112 in words is "sixty-six million, five hundred one thousand, one hundred twelve".