665241102 has 24 divisors (see below), whose sum is σ = 1472024736. Its totient is φ = 217028736.

The previous prime is 665241079. The next prime is 665241163. The reversal of 665241102 is 201142566.

665241102 is a `hidden beast` number, since 6 + 652 + 4 + 1 + 1 + 0 + 2 = 666.

665241102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392323 + ... + 394014.

It is an arithmetic number, because the mean of its divisors is an integer number (61334364).

Almost surely, 2^665241102 is an apocalyptic number.

665241102 is an abundant number, since it is smaller than the sum of its proper divisors (806783634).

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

665241102 is a wasteful number, since it uses less digits than its factorization.

665241102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786392 (or 786389 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 665241102 is about 25792.2682600814. The cubic root of 665241102 is about 872.9573476562.

Adding to 665241102 its reverse (201142566), we get a palindrome (866383668).

The spelling of 665241102 in words is "six hundred sixty-five million, two hundred forty-one thousand, one hundred two".