665228442110 has 32 divisors (see below), whose sum is σ = 1268217572832. Its totient is φ = 250365772800.

The previous prime is 665228442091. The next prime is 665228442139. The reversal of 665228442110 is 11244822566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13685 + ... + 1153535.

It is an arithmetic number, because the mean of its divisors is an integer number (39631799151).

Almost surely, 2^665228442110 is an apocalyptic number.

665228442110 is a deficient number, since it is larger than the sum of its proper divisors (602989130722).

665228442110 is a wasteful number, since it uses less digits than its factorization.

665228442110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143308.

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 665228442110 in words is "six hundred sixty-five billion, two hundred twenty-eight million, four hundred forty-two thousand, one hundred ten".