664462366 has 8 divisors (see below), whose sum is σ = 1013586840. Its totient is φ = 326600088.

The previous prime is 664462361. The next prime is 664462367. The reversal of 664462366 is 663264466.

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 (664462361) 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, 2815401 + ... + 2815636.

It is an arithmetic number, because the mean of its divisors is an integer number (126698355).

Almost surely, 2^664462366 is an apocalyptic number.

664462366 is a deficient number, since it is larger than the sum of its proper divisors (349124474).

664462366 is a wasteful number, since it uses less digits than its factorization.

664462366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5631098.

The product of its digits is 746496, while the sum is 43.

The square root of 664462366 is about 25777.1675325277. The cubic root of 664462366 is about 872.6165846132.

The spelling of 664462366 in words is "six hundred sixty-four million, four hundred sixty-two thousand, three hundred sixty-six".