664244110 has 8 divisors (see below), whose sum is σ = 1195639416. Its totient is φ = 265697640.

The previous prime is 664244107. The next prime is 664244143. The reversal of 664244110 is 11442466.

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

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, 33212196 + ... + 33212215.

It is an arithmetic number, because the mean of its divisors is an integer number (149454927).

Almost surely, 2^664244110 is an apocalyptic number.

664244110 is a deficient number, since it is larger than the sum of its proper divisors (531395306).

664244110 is a wasteful number, since it uses less digits than its factorization.

664244110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66424418.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 664244110 is about 25772.9336708105. The cubic root of 664244110 is about 872.5210313401.

Adding to 664244110 its reverse (11442466), we get a palindrome (675686576).

The spelling of 664244110 in words is "six hundred sixty-four million, two hundred forty-four thousand, one hundred ten".