664141466 has 16 divisors (see below), whose sum is σ = 1061923200. Its totient is φ = 310609728.

The previous prime is 664141421. The next prime is 664141477.

664141466 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107615 + ... + 113618.

It is an arithmetic number, because the mean of its divisors is an integer number (66370200).

Almost surely, 2^664141466 is an apocalyptic number.

664141466 is a deficient number, since it is larger than the sum of its proper divisors (397781734).

664141466 is a wasteful number, since it uses less digits than its factorization.

664141466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221333.

The product of its digits is 82944, while the sum is 38.

The square root of 664141466 is about 25770.9422800176. The cubic root of 664141466 is about 872.4760861857.

The spelling of 664141466 in words is "six hundred sixty-four million, one hundred forty-one thousand, four hundred sixty-six".