66112412 has 24 divisors (see below), whose sum is σ = 118552896. Its totient is φ = 32247488.

The previous prime is 66112379. The next prime is 66112433. The reversal of 66112412 is 21421166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40973 + ... + 42555.

It is an arithmetic number, because the mean of its divisors is an integer number (4939704).

Almost surely, 2^66112412 is an apocalyptic number.

It is an amenable number.

66112412 is a deficient number, since it is larger than the sum of its proper divisors (52440484).

66112412 is a wasteful number, since it uses less digits than its factorization.

66112412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837 (or 1835 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 66112412 is about 8130.9539415741. The cubic root of 66112412 is about 404.3533082254.

Adding to 66112412 its reverse (21421166), we get a palindrome (87533578).

The spelling of 66112412 in words is "sixty-six million, one hundred twelve thousand, four hundred twelve".