66266426 has 8 divisors (see below), whose sum is σ = 99562080. Its totient is φ = 33079068.

The previous prime is 66266419. The next prime is 66266429. The reversal of 66266426 is 62466266.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66266426.

It is not an unprimeable number, because it can be changed into a prime (66266429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25526 + ... + 28001.

It is an arithmetic number, because the mean of its divisors is an integer number (12445260).

Almost surely, 2^66266426 is an apocalyptic number.

66266426 is a deficient number, since it is larger than the sum of its proper divisors (33295654).

66266426 is a wasteful number, since it uses less digits than its factorization.

66266426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54148.

The product of its digits is 124416, while the sum is 38.

The square root of 66266426 is about 8140.4192766712. The cubic root of 66266426 is about 404.6670555336.

The spelling of 66266426 in words is "sixty-six million, two hundred sixty-six thousand, four hundred twenty-six".