66256382 has 8 divisors (see below), whose sum is σ = 104615400. Its totient is φ = 31384584.

The previous prime is 66256357. The next prime is 66256391. The reversal of 66256382 is 28365266.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1743589 = 66256382 / (6 + 6 + 2 + 5 + 6 + 3 + 8 + 2).

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871757 + ... + 871832.

It is an arithmetic number, because the mean of its divisors is an integer number (13076925).

Almost surely, 2^66256382 is an apocalyptic number.

66256382 is a deficient number, since it is larger than the sum of its proper divisors (38359018).

66256382 is a wasteful number, since it uses less digits than its factorization.

66256382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743610.

The product of its digits is 103680, while the sum is 38.

The square root of 66256382 is about 8139.8023317523. The cubic root of 66256382 is about 404.6466093765.

The spelling of 66256382 in words is "sixty-six million, two hundred fifty-six thousand, three hundred eighty-two".