66123626 has 8 divisors (see below), whose sum is σ = 99472320. Its totient is φ = 32966188.

The previous prime is 66123613. The next prime is 66123653. The reversal of 66123626 is 62632166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 66123592 and 66123601.

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 3 ways as a sum of consecutive naturals, for example, 46946 + ... + 48333.

It is an arithmetic number, because the mean of its divisors is an integer number (12434040).

Almost surely, 2^66123626 is an apocalyptic number.

66123626 is a deficient number, since it is larger than the sum of its proper divisors (33348694).

66123626 is a wasteful number, since it uses less digits than its factorization.

66123626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95628.

The product of its digits is 15552, while the sum is 32.

The square root of 66123626 is about 8131.6434993180. The cubic root of 66123626 is about 404.3761690948.

The spelling of 66123626 in words is "sixty-six million, one hundred twenty-three thousand, six hundred twenty-six".