1100061660 has 48 divisors (see below), whose sum is σ = 3179538432. Its totient is φ = 283886400.

The previous prime is 1100061631. The next prime is 1100061661. The reversal of 1100061660 is 661600011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100061661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293856 + ... + 297575.

It is an arithmetic number, because the mean of its divisors is an integer number (66240384).

Almost surely, 2^1100061660 is an apocalyptic number.

1100061660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100061660 is an abundant number, since it is smaller than the sum of its proper divisors (2079476772).

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

1100061660 is a wasteful number, since it uses less digits than its factorization.

1100061660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591474 (or 591472 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1100061660 is about 33167.1774500032. The cubic root of 1100061660 is about 1032.2994030935.

Adding to 1100061660 its reverse (661600011), we get a palindrome (1761661671).

The spelling of 1100061660 in words is "one billion, one hundred million, sixty-one thousand, six hundred sixty".