1101204666 has 32 divisors (see below), whose sum is σ = 2457835200. Its totient is φ = 365461200.

The previous prime is 1101204659. The next prime is 1101204683. The reversal of 1101204666 is 6664021011.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 32160 + ... + 56891.

It is an arithmetic number, because the mean of its divisors is an integer number (76807350).

Almost surely, 2^1101204666 is an apocalyptic number.

1101204666 is an abundant number, since it is smaller than the sum of its proper divisors (1356630534).

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

1101204666 is a wasteful number, since it uses less digits than its factorization.

1101204666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89291 (or 89285 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1101204666 is about 33184.4039572809. The cubic root of 1101204666 is about 1032.6568121455.

Adding to 1101204666 its reverse (6664021011), we get a palindrome (7765225677).

It can be divided in two parts, 1101204 and 666, that added together give a triangular number (1101870 = T₁₄₈₄).

The spelling of 1101204666 in words is "one billion, one hundred one million, two hundred four thousand, six hundred sixty-six".