1101016660 has 24 divisors (see below), whose sum is σ = 2343811176. Its totient is φ = 434373120.

The previous prime is 1101016643. The next prime is 1101016661. The reversal of 1101016660 is 666101011.

It can be written as a sum of positive squares in 4 ways, for example, as 229704336 + 871312324 = 15156^2 + 29518^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101016661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375601 + ... + 378520.

It is an arithmetic number, because the mean of its divisors is an integer number (97658799).

Almost surely, 2^1101016660 is an apocalyptic number.

1101016660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101016660 is an abundant number, since it is smaller than the sum of its proper divisors (1242794516).

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

1101016660 is a wasteful number, since it uses less digits than its factorization.

1101016660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754203 (or 754201 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1101016660 is about 33181.5710899891. The cubic root of 1101016660 is about 1032.5980411370.

Adding to 1101016660 its reverse (666101011), we get a palindrome (1767117671).

It can be divided in two parts, 110101 and 6660, that multiplied together give a triangular number (733272660 = T₃₈₂₉₅).

The spelling of 1101016660 in words is "one billion, one hundred one million, sixteen thousand, six hundred sixty".