664011102 has 16 divisors (see below), whose sum is σ = 1363915152. Its totient is φ = 215354880.

The previous prime is 664011059. The next prime is 664011133. The reversal of 664011102 is 201110466.

It is a super-4 number, since 4×664011102⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495299 + ... + 1495742.

It is an arithmetic number, because the mean of its divisors is an integer number (85244697).

Almost surely, 2^664011102 is an apocalyptic number.

664011102 is an abundant number, since it is smaller than the sum of its proper divisors (699904050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

664011102 is a wasteful number, since it uses less digits than its factorization.

664011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991083.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 664011102 is about 25768.4128731282. The cubic root of 664011102 is about 872.4189964836.

Adding to 664011102 its reverse (201110466), we get a palindrome (865121568).

The spelling of 664011102 in words is "six hundred sixty-four million, eleven thousand, one hundred two".