1101061660 has 12 divisors (see below), whose sum is σ = 2312229528. Its totient is φ = 440424656.

The previous prime is 1101061613. The next prime is 1101061667. The reversal of 1101061660 is 661601011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101061667) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 27526522 + ... + 27526561.

It is an arithmetic number, because the mean of its divisors is an integer number (192685794).

Almost surely, 2^1101061660 is an apocalyptic number.

1101061660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101061660 is an abundant number, since it is smaller than the sum of its proper divisors (1211167868).

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

1101061660 is a wasteful number, since it uses less digits than its factorization.

1101061660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55053092 (or 55053090 counting only the distinct ones).

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

The square root of 1101061660 is about 33182.2491703019. The cubic root of 1101061660 is about 1032.6121088257.

Adding to 1101061660 its reverse (661601011), we get a palindrome (1762662671).

The spelling of 1101061660 in words is "one billion, one hundred one million, sixty-one thousand, six hundred sixty".