66248326 has 32 divisors (see below), whose sum is σ = 109958400. Its totient is φ = 29795040.

The previous prime is 66248323. The next prime is 66248341. The reversal of 66248326 is 62384266.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66248321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199981 + ... + 200311.

It is an arithmetic number, because the mean of its divisors is an integer number (3436200).

Almost surely, 2^66248326 is an apocalyptic number.

66248326 is the 4351-st nonagonal number.

66248326 is a deficient number, since it is larger than the sum of its proper divisors (43710074).

66248326 is a wasteful number, since it uses less digits than its factorization.

66248326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604.

The product of its digits is 82944, while the sum is 37.

The square root of 66248326 is about 8139.3074643977. The cubic root of 66248326 is about 404.6302086157.

The spelling of 66248326 in words is "sixty-six million, two hundred forty-eight thousand, three hundred twenty-six".