1130061660 has 192 divisors, whose sum is σ = 3925017600. Its totient is φ = 236556288.

The previous prime is 1130061641. The next prime is 1130061671. The reversal of 1130061660 is 661600311.

It is a self number, because there is not a number n which added to its sum of digits gives 1130061660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 758196 + ... + 759684.

It is an arithmetic number, because the mean of its divisors is an integer number (20442800).

Almost surely, 2^1130061660 is an apocalyptic number.

1130061660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130061660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1962508800).

1130061660 is an abundant number, since it is smaller than the sum of its proper divisors (2794955940).

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

1130061660 is a wasteful number, since it uses less digits than its factorization.

1130061660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660 (or 1658 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1130061660 is about 33616.3897526192. The cubic root of 1130061660 is about 1041.5993820504.

Adding to 1130061660 its reverse (661600311), we get a palindrome (1791661971).

The spelling of 1130061660 in words is "one billion, one hundred thirty million, sixty-one thousand, six hundred sixty".