66460443 has 8 divisors (see below), whose sum is σ = 101273088. Its totient is φ = 37977384.

The previous prime is 66460421. The next prime is 66460451. The reversal of 66460443 is 34406466.

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

It is not a de Polignac number, because 66460443 - 2⁵ = 66460411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66460343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582371 + ... + 1582412.

It is an arithmetic number, because the mean of its divisors is an integer number (12659136).

Almost surely, 2^66460443 is an apocalyptic number.

66460443 is a deficient number, since it is larger than the sum of its proper divisors (34812645).

66460443 is a wasteful number, since it uses less digits than its factorization.

66460443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164793.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 66460443 is about 8152.3274590757. The cubic root of 66460443 is about 405.0616031883.

The spelling of 66460443 in words is "sixty-six million, four hundred sixty thousand, four hundred forty-three".