66089446 has 8 divisors (see below), whose sum is σ = 99434664. Its totient is φ = 32944560.

The previous prime is 66089431. The next prime is 66089447. The reversal of 66089446 is 64498066.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66089447) 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, 49255 + ... + 50578.

It is an arithmetic number, because the mean of its divisors is an integer number (12429333).

Almost surely, 2^66089446 is an apocalyptic number.

66089446 is a deficient number, since it is larger than the sum of its proper divisors (33345218).

66089446 is a wasteful number, since it uses less digits than its factorization.

66089446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100166.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 66089446 is about 8129.5415614904. The cubic root of 66089446 is about 404.3064816498.

The spelling of 66089446 in words is "sixty-six million, eighty-nine thousand, four hundred forty-six".