66826112 has 16 divisors (see below), whose sum is σ = 133130400. Its totient is φ = 33412992.

The previous prime is 66826079. The next prime is 66826129. The reversal of 66826112 is 21162866.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260912 + ... + 261167.

It is an arithmetic number, because the mean of its divisors is an integer number (8320650).

Almost surely, 2^66826112 is an apocalyptic number.

It is an amenable number.

66826112 is a deficient number, since it is larger than the sum of its proper divisors (66304288).

66826112 is an equidigital number, since it uses as much as digits as its factorization.

66826112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522093 (or 522081 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 66826112 is about 8174.7239708751. The cubic root of 66826112 is about 405.8031352438.

Adding to 66826112 its reverse (21162866), we get a palindrome (87988978).

The spelling of 66826112 in words is "sixty-six million, eight hundred twenty-six thousand, one hundred twelve".